Finding the Fourth Proportional to 460,092.10, 634,914.72 and 256,143.04

Step by Step Solution

1. Step 1: Write the proportion equation
   460,092.10 : 634,914.72 = 256,143.04 : x
2. Step 2: Convert to fraction form
   460,092.10/634,914.72 = 256,143.04/x
3. Step 3: Cross multiply
   460,092.10x = 634,914.72 × 256,143.04
4. Step 4: Simplify right side
   460,092.10x = 162,628,986,521.55
5. Step 5: Solve for x
   x = 162,628,986,521.55/460,092.10
6. Step 6: Final answer
   x = 353,470.50