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Finding the Fourth Proportional to 93,115.76, 128,499.48 and 52,837.40

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Solution

The fourth proportional to 93,115.76, 128,499.48 and 52,837.40 is: 72,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,115.76 : 128,499.48 = 52,837.40 : x
  2. Step 2: Convert to fraction form
    93,115.76/128,499.48 = 52,837.40/x
  3. Step 3: Cross multiply
    93,115.76x = 128,499.48 × 52,837.40
  4. Step 4: Simplify right side
    93,115.76x = 6,789,578,424.55
  5. Step 5: Solve for x
    x = 6,789,578,424.55/93,115.76
  6. Step 6: Final answer
    x = 72,915.46

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