Finding the Fourth Proportional to 99,892.42, 137,849.84 and 54,569.24

Step by Step Solution

1. Step 1: Write the proportion equation
   99,892.42 : 137,849.84 = 54,569.24 : x
2. Step 2: Convert to fraction form
   99,892.42/137,849.84 = 54,569.24/x
3. Step 3: Cross multiply
   99,892.42x = 137,849.84 × 54,569.24
4. Step 4: Simplify right side
   99,892.42x = 7,522,361,002.92
5. Step 5: Solve for x
   x = 7,522,361,002.92/99,892.42
6. Step 6: Final answer
   x = 75,304.62