Finding the Fourth Proportional to 82,087.42, 113,275.76 and 47,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,087.42 : 113,275.76 = 47,629.50 : x
2. Step 2: Convert to fraction form
   82,087.42/113,275.76 = 47,629.50/x
3. Step 3: Cross multiply
   82,087.42x = 113,275.76 × 47,629.50
4. Step 4: Simplify right side
   82,087.42x = 5,395,267,810.92
5. Step 5: Solve for x
   x = 5,395,267,810.92/82,087.42
6. Step 6: Final answer
   x = 65,725.88