Finding the Fourth Proportional to 111,626.88, 154,042.49 and 60,638.46

Step by Step Solution

1. Step 1: Write the proportion equation
   111,626.88 : 154,042.49 = 60,638.46 : x
2. Step 2: Convert to fraction form
   111,626.88/154,042.49 = 60,638.46/x
3. Step 3: Cross multiply
   111,626.88x = 154,042.49 × 60,638.46
4. Step 4: Simplify right side
   111,626.88x = 9,340,898,942.10
5. Step 5: Solve for x
   x = 9,340,898,942.10/111,626.88
6. Step 6: Final answer
   x = 83,679.66