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Finding the Fourth Proportional to 93,278.62, 128,724.92 and 52,994.58

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Solution

The fourth proportional to 93,278.62, 128,724.92 and 52,994.58 is: 73,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.62 : 128,724.92 = 52,994.58 : x
  2. Step 2: Convert to fraction form
    93,278.62/128,724.92 = 52,994.58/x
  3. Step 3: Cross multiply
    93,278.62x = 128,724.92 × 52,994.58
  4. Step 4: Simplify right side
    93,278.62x = 6,821,723,070.93
  5. Step 5: Solve for x
    x = 6,821,723,070.93/93,278.62
  6. Step 6: Final answer
    x = 73,132.76

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