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Finding the Fourth Proportional to 518,652, 777,978 and 168,444

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Solution

The fourth proportional to 518,652, 777,978 and 168,444 is: 252,666

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,652 : 777,978 = 168,444 : x
  2. Step 2: Convert to fraction form
    518,652/777,978 = 168,444/x
  3. Step 3: Cross multiply
    518,652x = 777,978 × 168,444
  4. Step 4: Simplify right side
    518,652x = 131,045,726,232
  5. Step 5: Solve for x
    x = 131,045,726,232/518,652
  6. Step 6: Final answer
    x = 252,666

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