Finding the Fourth Proportional to 99,452.90, 137,233.76 and 58,614.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,452.90 : 137,233.76 = 58,614.37 : x
2. Step 2: Convert to fraction form
   99,452.90/137,233.76 = 58,614.37/x
3. Step 3: Cross multiply
   99,452.90x = 137,233.76 × 58,614.37
4. Step 4: Simplify right side
   99,452.90x = 8,043,870,188.58
5. Step 5: Solve for x
   x = 8,043,870,188.58/99,452.90
6. Step 6: Final answer
   x = 80,881.20