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Finding the Fourth Proportional to 64,992.60, 97,343.10 and 53,328.60

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Solution

The fourth proportional to 64,992.60, 97,343.10 and 53,328.60 is: 79,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,992.60 : 97,343.10 = 53,328.60 : x
  2. Step 2: Convert to fraction form
    64,992.60/97,343.10 = 53,328.60/x
  3. Step 3: Cross multiply
    64,992.60x = 97,343.10 × 53,328.60
  4. Step 4: Simplify right side
    64,992.60x = 5,191,171,242.66
  5. Step 5: Solve for x
    x = 5,191,171,242.66/64,992.60
  6. Step 6: Final answer
    x = 79,873.27

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