Finding the Fourth Proportional to 2,803.02, 3,868.20 and 1,544.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803.02 : 3,868.20 = 1,544.21 : x
2. Step 2: Convert to fraction form
   2,803.02/3,868.20 = 1,544.21/x
3. Step 3: Cross multiply
   2,803.02x = 3,868.20 × 1,544.21
4. Step 4: Simplify right side
   2,803.02x = 5,973,293.78
5. Step 5: Solve for x
   x = 5,973,293.78/2,803.02
6. Step 6: Final answer
   x = 2,131.02