Finding the Fourth Proportional to 82,265.61, 113,566.01 and 52,065.57

Step by Step Solution

1. Step 1: Write the proportion equation
   82,265.61 : 113,566.01 = 52,065.57 : x
2. Step 2: Convert to fraction form
   82,265.61/113,566.01 = 52,065.57/x
3. Step 3: Cross multiply
   82,265.61x = 113,566.01 × 52,065.57
4. Step 4: Simplify right side
   82,265.61x = 5,912,879,043.28
5. Step 5: Solve for x
   x = 5,912,879,043.28/82,265.61
6. Step 6: Final answer
   x = 71,875.47