Finding the Fourth Proportional to 82,385.12, 113,649.67 and 52,119.47

Step by Step Solution

1. Step 1: Write the proportion equation
   82,385.12 : 113,649.67 = 52,119.47 : x
2. Step 2: Convert to fraction form
   82,385.12/113,649.67 = 52,119.47/x
3. Step 3: Cross multiply
   82,385.12x = 113,649.67 × 52,119.47
4. Step 4: Simplify right side
   82,385.12x = 5,923,360,566.07
5. Step 5: Solve for x
   x = 5,923,360,566.07/82,385.12
6. Step 6: Final answer
   x = 71,898.43