Finding the Fourth Proportional to 82,200.84, 113,404.88 and 47,739.70

Step by Step Solution

1. Step 1: Write the proportion equation
   82,200.84 : 113,404.88 = 47,739.70 : x
2. Step 2: Convert to fraction form
   82,200.84/113,404.88 = 47,739.70/x
3. Step 3: Cross multiply
   82,200.84x = 113,404.88 × 47,739.70
4. Step 4: Simplify right side
   82,200.84x = 5,413,915,596.93
5. Step 5: Solve for x
   x = 5,413,915,596.93/82,200.84
6. Step 6: Final answer
   x = 65,862.05