Finding the Fourth Proportional to 111,766.12, 154,234.17 and 61,465.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,766.12 : 154,234.17 = 61,465.12 : x
2. Step 2: Convert to fraction form
   111,766.12/154,234.17 = 61,465.12/x
3. Step 3: Cross multiply
   111,766.12x = 154,234.17 × 61,465.12
4. Step 4: Simplify right side
   111,766.12x = 9,480,021,767.15
5. Step 5: Solve for x
   x = 9,480,021,767.15/111,766.12
6. Step 6: Final answer
   x = 84,820.17