Finding the Fourth Proportional to 99,124.72, 149,429.89 and 92,525.86

Step by Step Solution

1. Step 1: Write the proportion equation
   99,124.72 : 149,429.89 = 92,525.86 : x
2. Step 2: Convert to fraction form
   99,124.72/149,429.89 = 92,525.86/x
3. Step 3: Cross multiply
   99,124.72x = 149,429.89 × 92,525.86
4. Step 4: Simplify right side
   99,124.72x = 13,826,129,081.96
5. Step 5: Solve for x
   x = 13,826,129,081.96/99,124.72
6. Step 6: Final answer
   x = 139,482.15