Finding the Fourth Proportional to 81,603.43, 112,620.83 and 45,793.59

Step by Step Solution

1. Step 1: Write the proportion equation
   81,603.43 : 112,620.83 = 45,793.59 : x
2. Step 2: Convert to fraction form
   81,603.43/112,620.83 = 45,793.59/x
3. Step 3: Cross multiply
   81,603.43x = 112,620.83 × 45,793.59
4. Step 4: Simplify right side
   81,603.43x = 5,157,311,720.77
5. Step 5: Solve for x
   x = 5,157,311,720.77/81,603.43
6. Step 6: Final answer
   x = 63,199.69