Finding the Fourth Proportional to 83,409.75, 115,105.46 and 45,685.35

Step by Step Solution

1. Step 1: Write the proportion equation
   83,409.75 : 115,105.46 = 45,685.35 : x
2. Step 2: Convert to fraction form
   83,409.75/115,105.46 = 45,685.35/x
3. Step 3: Cross multiply
   83,409.75x = 115,105.46 × 45,685.35
4. Step 4: Simplify right side
   83,409.75x = 5,258,632,998.58
5. Step 5: Solve for x
   x = 5,258,632,998.58/83,409.75
6. Step 6: Final answer
   x = 63,045.78