Finding the Fourth Proportional to 124,007.15, 185,168.50 and 120,644.12

Step by Step Solution

1. Step 1: Write the proportion equation
   124,007.15 : 185,168.50 = 120,644.12 : x
2. Step 2: Convert to fraction form
   124,007.15/185,168.50 = 120,644.12/x
3. Step 3: Cross multiply
   124,007.15x = 185,168.50 × 120,644.12
4. Step 4: Simplify right side
   124,007.15x = 22,339,490,895.53
5. Step 5: Solve for x
   x = 22,339,490,895.53/124,007.15
6. Step 6: Final answer
   x = 180,146.80