Finding the Fourth Proportional to 1,166.32, 1,609.33 and 724.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166.32 : 1,609.33 = 724.82 : x
2. Step 2: Convert to fraction form
   1,166.32/1,609.33 = 724.82/x
3. Step 3: Cross multiply
   1,166.32x = 1,609.33 × 724.82
4. Step 4: Simplify right side
   1,166.32x = 1,166,470.75
5. Step 5: Solve for x
   x = 1,166,470.75/1,166.32
6. Step 6: Final answer
   x = 1,000.13