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Finding the Fourth Proportional to 279,433.53, 419,150.43 and 92,445.03

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Solution

The fourth proportional to 279,433.53, 419,150.43 and 92,445.03 is: 138,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,433.53 : 419,150.43 = 92,445.03 : x
  2. Step 2: Convert to fraction form
    279,433.53/419,150.43 = 92,445.03/x
  3. Step 3: Cross multiply
    279,433.53x = 419,150.43 × 92,445.03
  4. Step 4: Simplify right side
    279,433.53x = 38,748,374,075.86
  5. Step 5: Solve for x
    x = 38,748,374,075.86/279,433.53
  6. Step 6: Final answer
    x = 138,667.59

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