Finding the Fourth Proportional to 81,769.76, 112,851.61 and 45,474.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,769.76 : 112,851.61 = 45,474.82 : x
2. Step 2: Convert to fraction form
   81,769.76/112,851.61 = 45,474.82/x
3. Step 3: Cross multiply
   81,769.76x = 112,851.61 × 45,474.82
4. Step 4: Simplify right side
   81,769.76x = 5,131,906,087.20
5. Step 5: Solve for x
   x = 5,131,906,087.20/81,769.76
6. Step 6: Final answer
   x = 62,760.44