Finding the Fourth Proportional to 82,168.18, 123,063.39 and 52,180.18

Step by Step Solution

1. Step 1: Write the proportion equation
   82,168.18 : 123,063.39 = 52,180.18 : x
2. Step 2: Convert to fraction form
   82,168.18/123,063.39 = 52,180.18/x
3. Step 3: Cross multiply
   82,168.18x = 123,063.39 × 52,180.18
4. Step 4: Simplify right side
   82,168.18x = 6,421,469,841.61
5. Step 5: Solve for x
   x = 6,421,469,841.61/82,168.18
6. Step 6: Final answer
   x = 78,150.32