Finding the Fourth Proportional to 2,649.59, 3,973.89 and 1,005.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.59 : 3,973.89 = 1,005.59 : x
2. Step 2: Convert to fraction form
   2,649.59/3,973.89 = 1,005.59/x
3. Step 3: Cross multiply
   2,649.59x = 3,973.89 × 1,005.59
4. Step 4: Simplify right side
   2,649.59x = 3,996,104.05
5. Step 5: Solve for x
   x = 3,996,104.05/2,649.59
6. Step 6: Final answer
   x = 1,508.20