Finding the Fourth Proportional to 1,649.55, 2,473.74 and 724.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.55 : 2,473.74 = 724.83 : x
2. Step 2: Convert to fraction form
   1,649.55/2,473.74 = 724.83/x
3. Step 3: Cross multiply
   1,649.55x = 2,473.74 × 724.83
4. Step 4: Simplify right side
   1,649.55x = 1,793,040.96
5. Step 5: Solve for x
   x = 1,793,040.96/1,649.55
6. Step 6: Final answer
   x = 1,086.99