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Finding the Fourth Proportional to 93,299.40, 128,748.30 and 53,007.57

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Solution

The fourth proportional to 93,299.40, 128,748.30 and 53,007.57 is: 73,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,299.40 : 128,748.30 = 53,007.57 : x
  2. Step 2: Convert to fraction form
    93,299.40/128,748.30 = 53,007.57/x
  3. Step 3: Cross multiply
    93,299.40x = 128,748.30 × 53,007.57
  4. Step 4: Simplify right side
    93,299.40x = 6,824,634,524.63
  5. Step 5: Solve for x
    x = 6,824,634,524.63/93,299.40
  6. Step 6: Final answer
    x = 73,147.68

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