Finding the Fourth Proportional to 1,074.32, 1,609.86 and 496.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.32 : 1,609.86 = 496.52 : x
2. Step 2: Convert to fraction form
   1,074.32/1,609.86 = 496.52/x
3. Step 3: Cross multiply
   1,074.32x = 1,609.86 × 496.52
4. Step 4: Simplify right side
   1,074.32x = 799,327.69
5. Step 5: Solve for x
   x = 799,327.69/1,074.32
6. Step 6: Final answer
   x = 744.03