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Finding the Fourth Proportional to 209,264, 313,896 and 53,616

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Solution

The fourth proportional to 209,264, 313,896 and 53,616 is: 80,424

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,264 : 313,896 = 53,616 : x
  2. Step 2: Convert to fraction form
    209,264/313,896 = 53,616/x
  3. Step 3: Cross multiply
    209,264x = 313,896 × 53,616
  4. Step 4: Simplify right side
    209,264x = 16,829,847,936
  5. Step 5: Solve for x
    x = 16,829,847,936/209,264
  6. Step 6: Final answer
    x = 80,424

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