Finding the Fourth Proportional to 81,235.05, 112,104.71 and 45,425.05

Step by Step Solution

1. Step 1: Write the proportion equation
   81,235.05 : 112,104.71 = 45,425.05 : x
2. Step 2: Convert to fraction form
   81,235.05/112,104.71 = 45,425.05/x
3. Step 3: Cross multiply
   81,235.05x = 112,104.71 × 45,425.05
4. Step 4: Simplify right side
   81,235.05x = 5,092,362,350.53
5. Step 5: Solve for x
   x = 5,092,362,350.53/81,235.05
6. Step 6: Final answer
   x = 62,686.76