Finding the Fourth Proportional to 82,725.72, 114,160.98 and 45,000.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,725.72 : 114,160.98 = 45,000.12 : x
2. Step 2: Convert to fraction form
   82,725.72/114,160.98 = 45,000.12/x
3. Step 3: Cross multiply
   82,725.72x = 114,160.98 × 45,000.12
4. Step 4: Simplify right side
   82,725.72x = 5,137,257,799.32
5. Step 5: Solve for x
   x = 5,137,257,799.32/82,725.72
6. Step 6: Final answer
   x = 62,099.89