Finding the Fourth Proportional to 2,003.76, 2,761.38 and 1,443.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.76 : 2,761.38 = 1,443.24 : x
2. Step 2: Convert to fraction form
   2,003.76/2,761.38 = 1,443.24/x
3. Step 3: Cross multiply
   2,003.76x = 2,761.38 × 1,443.24
4. Step 4: Simplify right side
   2,003.76x = 3,985,334.07
5. Step 5: Solve for x
   x = 3,985,334.07/2,003.76
6. Step 6: Final answer
   x = 1,988.93