Finding the Fourth Proportional to 359,300.96, 495,872.32 and 228,569.28

Step by Step Solution

1. Step 1: Write the proportion equation
   359,300.96 : 495,872.32 = 228,569.28 : x
2. Step 2: Convert to fraction form
   359,300.96/495,872.32 = 228,569.28/x
3. Step 3: Cross multiply
   359,300.96x = 495,872.32 × 228,569.28
4. Step 4: Simplify right side
   359,300.96x = 113,341,179,154.33
5. Step 5: Solve for x
   x = 113,341,179,154.33/359,300.96
6. Step 6: Final answer
   x = 315,449.14