Finding the Fourth Proportional to 81,417.27, 112,342.77 and 45,608.79

Step by Step Solution

1. Step 1: Write the proportion equation
   81,417.27 : 112,342.77 = 45,608.79 : x
2. Step 2: Convert to fraction form
   81,417.27/112,342.77 = 45,608.79/x
3. Step 3: Cross multiply
   81,417.27x = 112,342.77 × 45,608.79
4. Step 4: Simplify right side
   81,417.27x = 5,123,817,804.95
5. Step 5: Solve for x
   x = 5,123,817,804.95/81,417.27
6. Step 6: Final answer
   x = 62,932.81