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Finding the Fourth Proportional to 93,454.15, 128,962.22 and 53,164.12

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Solution

The fourth proportional to 93,454.15, 128,962.22 and 53,164.12 is: 73,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,454.15 : 128,962.22 = 53,164.12 : x
  2. Step 2: Convert to fraction form
    93,454.15/128,962.22 = 53,164.12/x
  3. Step 3: Cross multiply
    93,454.15x = 128,962.22 × 53,164.12
  4. Step 4: Simplify right side
    93,454.15x = 6,856,162,939.55
  5. Step 5: Solve for x
    x = 6,856,162,939.55/93,454.15
  6. Step 6: Final answer
    x = 73,363.92

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