Finding the Fourth Proportional to 83,381.88, 115,066.17 and 45,140.42

Step by Step Solution

1. Step 1: Write the proportion equation
   83,381.88 : 115,066.17 = 45,140.42 : x
2. Step 2: Convert to fraction form
   83,381.88/115,066.17 = 45,140.42/x
3. Step 3: Cross multiply
   83,381.88x = 115,066.17 × 45,140.42
4. Step 4: Simplify right side
   83,381.88x = 5,194,135,332.59
5. Step 5: Solve for x
   x = 5,194,135,332.59/83,381.88
6. Step 6: Final answer
   x = 62,293.33