Finding the Fourth Proportional to 83,375.07, 115,057.47 and 45,134.61

Step by Step Solution

1. Step 1: Write the proportion equation
   83,375.07 : 115,057.47 = 45,134.61 : x
2. Step 2: Convert to fraction form
   83,375.07/115,057.47 = 45,134.61/x
3. Step 3: Cross multiply
   83,375.07x = 115,057.47 × 45,134.61
4. Step 4: Simplify right side
   83,375.07x = 5,193,073,522.72
5. Step 5: Solve for x
   x = 5,193,073,522.72/83,375.07
6. Step 6: Final answer
   x = 62,285.69