Finding the Fourth Proportional to 82,116.07, 113,338.32 and 53,385.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,116.07 : 113,338.32 = 53,385.72 : x
2. Step 2: Convert to fraction form
   82,116.07/113,338.32 = 53,385.72/x
3. Step 3: Cross multiply
   82,116.07x = 113,338.32 × 53,385.72
4. Step 4: Simplify right side
   82,116.07x = 6,050,647,816.79
5. Step 5: Solve for x
   x = 6,050,647,816.79/82,116.07
6. Step 6: Final answer
   x = 73,684.09