Finding the Fourth Proportional to 81,414.27, 112,338.63 and 45,605.79

Step by Step Solution

1. Step 1: Write the proportion equation
   81,414.27 : 112,338.63 = 45,605.79 : x
2. Step 2: Convert to fraction form
   81,414.27/112,338.63 = 45,605.79/x
3. Step 3: Cross multiply
   81,414.27x = 112,338.63 × 45,605.79
4. Step 4: Simplify right side
   81,414.27x = 5,123,291,968.67
5. Step 5: Solve for x
   x = 5,123,291,968.67/81,414.27
6. Step 6: Final answer
   x = 62,928.67