Finding the Fourth Proportional to 82,915.12, 114,419.82 and 45,188.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,915.12 : 114,419.82 = 45,188.56 : x
2. Step 2: Convert to fraction form
   82,915.12/114,419.82 = 45,188.56/x
3. Step 3: Cross multiply
   82,915.12x = 114,419.82 × 45,188.56
4. Step 4: Simplify right side
   82,915.12x = 5,170,466,901.26
5. Step 5: Solve for x
   x = 5,170,466,901.26/82,915.12
6. Step 6: Final answer
   x = 62,358.55