Finding the Fourth Proportional to 404,380.32, 606,648.23 and 155,042.88

Step by Step Solution

1. Step 1: Write the proportion equation
   404,380.32 : 606,648.23 = 155,042.88 : x
2. Step 2: Convert to fraction form
   404,380.32/606,648.23 = 155,042.88/x
3. Step 3: Cross multiply
   404,380.32x = 606,648.23 × 155,042.88
4. Step 4: Simplify right side
   404,380.32x = 94,056,488,726.10
5. Step 5: Solve for x
   x = 94,056,488,726.10/404,380.32
6. Step 6: Final answer
   x = 232,594.13