Finding the Fourth Proportional to 404,555.12, 606,633 and 124,004.72

Step by Step Solution

1. Step 1: Write the proportion equation
   404,555.12 : 606,633 = 124,004.72 : x
2. Step 2: Convert to fraction form
   404,555.12/606,633 = 124,004.72/x
3. Step 3: Cross multiply
   404,555.12x = 606,633 × 124,004.72
4. Step 4: Simplify right side
   404,555.12x = 75,225,355,307.76
5. Step 5: Solve for x
   x = 75,225,355,307.76/404,555.12
6. Step 6: Final answer
   x = 185,945.87