Finding the Fourth Proportional to 124,608.57, 185,959.27 and 111,311.61

Step by Step Solution

1. Step 1: Write the proportion equation
   124,608.57 : 185,959.27 = 111,311.61 : x
2. Step 2: Convert to fraction form
   124,608.57/185,959.27 = 111,311.61/x
3. Step 3: Cross multiply
   124,608.57x = 185,959.27 × 111,311.61
4. Step 4: Simplify right side
   124,608.57x = 20,699,425,738.12
5. Step 5: Solve for x
   x = 20,699,425,738.12/124,608.57
6. Step 6: Final answer
   x = 166,115.59