Finding the Fourth Proportional to 82,440.08, 113,771.72 and 52,214.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,440.08 : 113,771.72 = 52,214.30 : x
2. Step 2: Convert to fraction form
   82,440.08/113,771.72 = 52,214.30/x
3. Step 3: Cross multiply
   82,440.08x = 113,771.72 × 52,214.30
4. Step 4: Simplify right side
   82,440.08x = 5,940,510,719.60
5. Step 5: Solve for x
   x = 5,940,510,719.60/82,440.08
6. Step 6: Final answer
   x = 72,058.53