Finding the Fourth Proportional to 82,298.10, 113,620.32 and 52,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,298.10 : 113,620.32 = 52,109.30 : x
2. Step 2: Convert to fraction form
   82,298.10/113,620.32 = 52,109.30/x
3. Step 3: Cross multiply
   82,298.10x = 113,620.32 × 52,109.30
4. Step 4: Simplify right side
   82,298.10x = 5,920,675,340.98
5. Step 5: Solve for x
   x = 5,920,675,340.98/82,298.10
6. Step 6: Final answer
   x = 71,941.82