Finding the Fourth Proportional to 649,499.72, 896,295.59 and 359,100.13

Step by Step Solution

1. Step 1: Write the proportion equation
   649,499.72 : 896,295.59 = 359,100.13 : x
2. Step 2: Convert to fraction form
   649,499.72/896,295.59 = 359,100.13/x
3. Step 3: Cross multiply
   649,499.72x = 896,295.59 × 359,100.13
4. Step 4: Simplify right side
   649,499.72x = 321,859,858,602.10
5. Step 5: Solve for x
   x = 321,859,858,602.10/649,499.72
6. Step 6: Final answer
   x = 495,550.42