Finding the Fourth Proportional to 82,527.26, 123,861.63 and 81,906.02

Step by Step Solution

1. Step 1: Write the proportion equation
   82,527.26 : 123,861.63 = 81,906.02 : x
2. Step 2: Convert to fraction form
   82,527.26/123,861.63 = 81,906.02/x
3. Step 3: Cross multiply
   82,527.26x = 123,861.63 × 81,906.02
4. Step 4: Simplify right side
   82,527.26x = 10,145,012,524.70
5. Step 5: Solve for x
   x = 10,145,012,524.70/82,527.26
6. Step 6: Final answer
   x = 122,929.24