Finding the Fourth Proportional to 1,043.39, 1,562.99 and 496.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.39 : 1,562.99 = 496.10 : x
2. Step 2: Convert to fraction form
   1,043.39/1,562.99 = 496.10/x
3. Step 3: Cross multiply
   1,043.39x = 1,562.99 × 496.10
4. Step 4: Simplify right side
   1,043.39x = 775,389.04
5. Step 5: Solve for x
   x = 775,389.04/1,043.39
6. Step 6: Final answer
   x = 743.15