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Finding the Fourth Proportional to 92,978.61, 128,310.66 and 50,537.04

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Solution

The fourth proportional to 92,978.61, 128,310.66 and 50,537.04 is: 69,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,978.61 : 128,310.66 = 50,537.04 : x
  2. Step 2: Convert to fraction form
    92,978.61/128,310.66 = 50,537.04/x
  3. Step 3: Cross multiply
    92,978.61x = 128,310.66 × 50,537.04
  4. Step 4: Simplify right side
    92,978.61x = 6,484,440,956.85
  5. Step 5: Solve for x
    x = 6,484,440,956.85/92,978.61
  6. Step 6: Final answer
    x = 69,741.21

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