Finding the Fourth Proportional to 2,703.30, 4,052.52 and 1,403.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,703.30 : 4,052.52 = 1,403.28 : x
2. Step 2: Convert to fraction form
   2,703.30/4,052.52 = 1,403.28/x
3. Step 3: Cross multiply
   2,703.30x = 4,052.52 × 1,403.28
4. Step 4: Simplify right side
   2,703.30x = 5,686,820.27
5. Step 5: Solve for x
   x = 5,686,820.27/2,703.30
6. Step 6: Final answer
   x = 2,103.66