Finding the Fourth Proportional to 82,915.47, 114,423.38 and 47,105.55

Step by Step Solution

1. Step 1: Write the proportion equation
   82,915.47 : 114,423.38 = 47,105.55 : x
2. Step 2: Convert to fraction form
   82,915.47/114,423.38 = 47,105.55/x
3. Step 3: Cross multiply
   82,915.47x = 114,423.38 × 47,105.55
4. Step 4: Simplify right side
   82,915.47x = 5,389,976,453.85
5. Step 5: Solve for x
   x = 5,389,976,453.85/82,915.47
6. Step 6: Final answer
   x = 65,005.68