Finding the Fourth Proportional to 81,162, 121,792.82 and 34,414.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,162 : 121,792.82 = 34,414.88 : x
2. Step 2: Convert to fraction form
   81,162/121,792.82 = 34,414.88/x
3. Step 3: Cross multiply
   81,162x = 121,792.82 × 34,414.88
4. Step 4: Simplify right side
   81,162x = 4,191,484,504.12
5. Step 5: Solve for x
   x = 4,191,484,504.12/81,162
6. Step 6: Final answer
   x = 51,643.44