Finding the Fourth Proportional to 111,760.24, 154,103.16 and 81,492.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,760.24 : 154,103.16 = 81,492.16 : x
2. Step 2: Convert to fraction form
   111,760.24/154,103.16 = 81,492.16/x
3. Step 3: Cross multiply
   111,760.24x = 154,103.16 × 81,492.16
4. Step 4: Simplify right side
   111,760.24x = 12,558,199,371.23
5. Step 5: Solve for x
   x = 12,558,199,371.23/111,760.24
6. Step 6: Final answer
   x = 112,367.33