Finding the Fourth Proportional to 404,098.08, 606,234.56 and 154,780

Step by Step Solution

1. Step 1: Write the proportion equation
   404,098.08 : 606,234.56 = 154,780 : x
2. Step 2: Convert to fraction form
   404,098.08/606,234.56 = 154,780/x
3. Step 3: Cross multiply
   404,098.08x = 606,234.56 × 154,780
4. Step 4: Simplify right side
   404,098.08x = 93,832,985,196.80
5. Step 5: Solve for x
   x = 93,832,985,196.80/404,098.08
6. Step 6: Final answer
   x = 232,203.49