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Finding the Fourth Proportional to 518,811.77, 778,241.51 and 158,956.85

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Solution

The fourth proportional to 518,811.77, 778,241.51 and 158,956.85 is: 238,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,811.77 : 778,241.51 = 158,956.85 : x
  2. Step 2: Convert to fraction form
    518,811.77/778,241.51 = 158,956.85/x
  3. Step 3: Cross multiply
    518,811.77x = 778,241.51 × 158,956.85
  4. Step 4: Simplify right side
    518,811.77x = 123,706,814,282.85
  5. Step 5: Solve for x
    x = 123,706,814,282.85/518,811.77
  6. Step 6: Final answer
    x = 238,442.58

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