Finding the Fourth Proportional to 99,131.34, 136,812.04 and 58,854.98

Step by Step Solution

1. Step 1: Write the proportion equation
   99,131.34 : 136,812.04 = 58,854.98 : x
2. Step 2: Convert to fraction form
   99,131.34/136,812.04 = 58,854.98/x
3. Step 3: Cross multiply
   99,131.34x = 136,812.04 × 58,854.98
4. Step 4: Simplify right side
   99,131.34x = 8,052,069,877.96
5. Step 5: Solve for x
   x = 8,052,069,877.96/99,131.34
6. Step 6: Final answer
   x = 81,226.28