Finding the Fourth Proportional to 404,099.45, 606,385.50 and 224,336.25

Step by Step Solution

1. Step 1: Write the proportion equation
   404,099.45 : 606,385.50 = 224,336.25 : x
2. Step 2: Convert to fraction form
   404,099.45/606,385.50 = 224,336.25/x
3. Step 3: Cross multiply
   404,099.45x = 606,385.50 × 224,336.25
4. Step 4: Simplify right side
   404,099.45x = 136,034,250,557.06
5. Step 5: Solve for x
   x = 136,034,250,557.06/404,099.45
6. Step 6: Final answer
   x = 336,635.57