Finding the Fourth Proportional to 404,734.16, 606,995.42 and 120,348.12

Step by Step Solution

1. Step 1: Write the proportion equation
   404,734.16 : 606,995.42 = 120,348.12 : x
2. Step 2: Convert to fraction form
   404,734.16/606,995.42 = 120,348.12/x
3. Step 3: Cross multiply
   404,734.16x = 606,995.42 × 120,348.12
4. Step 4: Simplify right side
   404,734.16x = 73,050,757,645.61
5. Step 5: Solve for x
   x = 73,050,757,645.61/404,734.16
6. Step 6: Final answer
   x = 180,490.71