Finding the Fourth Proportional to 404,768.50, 607,046.88 and 120,382.42

Step by Step Solution

1. Step 1: Write the proportion equation
   404,768.50 : 607,046.88 = 120,382.42 : x
2. Step 2: Convert to fraction form
   404,768.50/607,046.88 = 120,382.42/x
3. Step 3: Cross multiply
   404,768.50x = 607,046.88 × 120,382.42
4. Step 4: Simplify right side
   404,768.50x = 73,077,772,467.85
5. Step 5: Solve for x
   x = 73,077,772,467.85/404,768.50
6. Step 6: Final answer
   x = 180,542.14