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Finding the Fourth Proportional to 52,281.16, 78,397.02 and 18,977.92

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Solution

The fourth proportional to 52,281.16, 78,397.02 and 18,977.92 is: 28,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281.16 : 78,397.02 = 18,977.92 : x
  2. Step 2: Convert to fraction form
    52,281.16/78,397.02 = 18,977.92/x
  3. Step 3: Cross multiply
    52,281.16x = 78,397.02 × 18,977.92
  4. Step 4: Simplify right side
    52,281.16x = 1,487,812,373.80
  5. Step 5: Solve for x
    x = 1,487,812,373.80/52,281.16
  6. Step 6: Final answer
    x = 28,457.91

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