Finding the Fourth Proportional to 111,325.71, 153,832.92 and 81,058.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,325.71 : 153,832.92 = 81,058.32 : x
2. Step 2: Convert to fraction form
   111,325.71/153,832.92 = 81,058.32/x
3. Step 3: Cross multiply
   111,325.71x = 153,832.92 × 81,058.32
4. Step 4: Simplify right side
   111,325.71x = 12,469,438,055.89
5. Step 5: Solve for x
   x = 12,469,438,055.89/111,325.71
6. Step 6: Final answer
   x = 112,008.61