Finding the Fourth Proportional to 91,002.72, 125,706.42 and 82,514.46

Step by Step Solution

1. Step 1: Write the proportion equation
   91,002.72 : 125,706.42 = 82,514.46 : x
2. Step 2: Convert to fraction form
   91,002.72/125,706.42 = 82,514.46/x
3. Step 3: Cross multiply
   91,002.72x = 125,706.42 × 82,514.46
4. Step 4: Simplify right side
   91,002.72x = 10,372,597,364.83
5. Step 5: Solve for x
   x = 10,372,597,364.83/91,002.72
6. Step 6: Final answer
   x = 113,981.18