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Finding the Fourth Proportional to 586,117.20, 879,089.40 and 165,435.60

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Solution

The fourth proportional to 586,117.20, 879,089.40 and 165,435.60 is: 248,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,117.20 : 879,089.40 = 165,435.60 : x
  2. Step 2: Convert to fraction form
    586,117.20/879,089.40 = 165,435.60/x
  3. Step 3: Cross multiply
    586,117.20x = 879,089.40 × 165,435.60
  4. Step 4: Simplify right side
    586,117.20x = 145,432,682,342.64
  5. Step 5: Solve for x
    x = 145,432,682,342.64/586,117.20
  6. Step 6: Final answer
    x = 248,129.01

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