Finding the Fourth Proportional to 83,411.28, 115,106.46 and 45,685.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,411.28 : 115,106.46 = 45,685.56 : x
2. Step 2: Convert to fraction form
   83,411.28/115,106.46 = 45,685.56/x
3. Step 3: Cross multiply
   83,411.28x = 115,106.46 × 45,685.56
4. Step 4: Simplify right side
   83,411.28x = 5,258,703,084.72
5. Step 5: Solve for x
   x = 5,258,703,084.72/83,411.28
6. Step 6: Final answer
   x = 63,045.47