Finding the Fourth Proportional to 111,707.98, 154,153.10 and 61,406.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,707.98 : 154,153.10 = 61,406.62 : x
2. Step 2: Convert to fraction form
   111,707.98/154,153.10 = 61,406.62/x
3. Step 3: Cross multiply
   111,707.98x = 154,153.10 × 61,406.62
4. Step 4: Simplify right side
   111,707.98x = 9,466,020,833.52
5. Step 5: Solve for x
   x = 9,466,020,833.52/111,707.98
6. Step 6: Final answer
   x = 84,738.98