Finding the Fourth Proportional to 83,949.68, 115,852.56 and 45,711.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,949.68 : 115,852.56 = 45,711.20 : x
2. Step 2: Convert to fraction form
   83,949.68/115,852.56 = 45,711.20/x
3. Step 3: Cross multiply
   83,949.68x = 115,852.56 × 45,711.20
4. Step 4: Simplify right side
   83,949.68x = 5,295,759,540.67
5. Step 5: Solve for x
   x = 5,295,759,540.67/83,949.68
6. Step 6: Final answer
   x = 63,082.55