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Finding the Fourth Proportional to 93,197.68, 128,623.08 and 57,380.56

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Solution

The fourth proportional to 93,197.68, 128,623.08 and 57,380.56 is: 79,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,197.68 : 128,623.08 = 57,380.56 : x
  2. Step 2: Convert to fraction form
    93,197.68/128,623.08 = 57,380.56/x
  3. Step 3: Cross multiply
    93,197.68x = 128,623.08 × 57,380.56
  4. Step 4: Simplify right side
    93,197.68x = 7,380,464,359.32
  5. Step 5: Solve for x
    x = 7,380,464,359.32/93,197.68
  6. Step 6: Final answer
    x = 79,191.50

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