Finding the Fourth Proportional to 464,499.50, 640,857.96 and 270,863.46

Step by Step Solution

1. Step 1: Write the proportion equation
   464,499.50 : 640,857.96 = 270,863.46 : x
2. Step 2: Convert to fraction form
   464,499.50/640,857.96 = 270,863.46/x
3. Step 3: Cross multiply
   464,499.50x = 640,857.96 × 270,863.46
4. Step 4: Simplify right side
   464,499.50x = 173,585,004,414.14
5. Step 5: Solve for x
   x = 173,585,004,414.14/464,499.50
6. Step 6: Final answer
   x = 373,703.32