Finding the Fourth Proportional to 82,356.06, 113,663.56 and 52,144.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,356.06 : 113,663.56 = 52,144.20 : x
2. Step 2: Convert to fraction form
   82,356.06/113,663.56 = 52,144.20/x
3. Step 3: Cross multiply
   82,356.06x = 113,663.56 × 52,144.20
4. Step 4: Simplify right side
   82,356.06x = 5,926,894,706.67
5. Step 5: Solve for x
   x = 5,926,894,706.67/82,356.06
6. Step 6: Final answer
   x = 71,966.71