Finding the Fourth Proportional to 83,414.64, 115,111.92 and 45,688.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,414.64 : 115,111.92 = 45,688.80 : x
2. Step 2: Convert to fraction form
   83,414.64/115,111.92 = 45,688.80/x
3. Step 3: Cross multiply
   83,414.64x = 115,111.92 × 45,688.80
4. Step 4: Simplify right side
   83,414.64x = 5,259,325,490.50
5. Step 5: Solve for x
   x = 5,259,325,490.50/83,414.64
6. Step 6: Final answer
   x = 63,050.39