Finding the Fourth Proportional to 91,245, 125,003.55 and 87,833.62

Step by Step Solution

1. Step 1: Write the proportion equation
   91,245 : 125,003.55 = 87,833.62 : x
2. Step 2: Convert to fraction form
   91,245/125,003.55 = 87,833.62/x
3. Step 3: Cross multiply
   91,245x = 125,003.55 × 87,833.62
4. Step 4: Simplify right side
   91,245x = 10,979,514,465.61
5. Step 5: Solve for x
   x = 10,979,514,465.61/91,245
6. Step 6: Final answer
   x = 120,330.04