Finding the Fourth Proportional to 111,762.87, 154,229.69 and 61,461.87

Step by Step Solution

1. Step 1: Write the proportion equation
   111,762.87 : 154,229.69 = 61,461.87 : x
2. Step 2: Convert to fraction form
   111,762.87/154,229.69 = 61,461.87/x
3. Step 3: Cross multiply
   111,762.87x = 154,229.69 × 61,461.87
4. Step 4: Simplify right side
   111,762.87x = 9,479,244,849.61
5. Step 5: Solve for x
   x = 9,479,244,849.61/111,762.87
6. Step 6: Final answer
   x = 84,815.69