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Finding the Fourth Proportional to 93,174.09, 128,581.80 and 52,889.09

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Solution

The fourth proportional to 93,174.09, 128,581.80 and 52,889.09 is: 72,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,174.09 : 128,581.80 = 52,889.09 : x
  2. Step 2: Convert to fraction form
    93,174.09/128,581.80 = 52,889.09/x
  3. Step 3: Cross multiply
    93,174.09x = 128,581.80 × 52,889.09
  4. Step 4: Simplify right side
    93,174.09x = 6,800,574,392.56
  5. Step 5: Solve for x
    x = 6,800,574,392.56/93,174.09
  6. Step 6: Final answer
    x = 72,987.83

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