Finding the Fourth Proportional to 404,382.15, 606,520.51 and 120,066.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,382.15 : 606,520.51 = 120,066.98 : x
2. Step 2: Convert to fraction form
   404,382.15/606,520.51 = 120,066.98/x
3. Step 3: Cross multiply
   404,382.15x = 606,520.51 × 120,066.98
4. Step 4: Simplify right side
   404,382.15x = 72,823,082,310.82
5. Step 5: Solve for x
   x = 72,823,082,310.82/404,382.15
6. Step 6: Final answer
   x = 180,084.81