Finding the Fourth Proportional to 82,915.76, 114,423.54 and 45,189.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,915.76 : 114,423.54 = 45,189.92 : x
2. Step 2: Convert to fraction form
   82,915.76/114,423.54 = 45,189.92/x
3. Step 3: Cross multiply
   82,915.76x = 114,423.54 × 45,189.92
4. Step 4: Simplify right side
   82,915.76x = 5,170,790,618.72
5. Step 5: Solve for x
   x = 5,170,790,618.72/82,915.76
6. Step 6: Final answer
   x = 62,361.98