Finding the Fourth Proportional to 82,166.72, 113,459.20 and 52,005.26

Step by Step Solution

1. Step 1: Write the proportion equation
   82,166.72 : 113,459.20 = 52,005.26 : x
2. Step 2: Convert to fraction form
   82,166.72/113,459.20 = 52,005.26/x
3. Step 3: Cross multiply
   82,166.72x = 113,459.20 × 52,005.26
4. Step 4: Simplify right side
   82,166.72x = 5,900,475,195.39
5. Step 5: Solve for x
   x = 5,900,475,195.39/82,166.72
6. Step 6: Final answer
   x = 71,811.01