Finding the Fourth Proportional to 2,773.88, 4,157.94 and 1,403

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.88 : 4,157.94 = 1,403 : x
2. Step 2: Convert to fraction form
   2,773.88/4,157.94 = 1,403/x
3. Step 3: Cross multiply
   2,773.88x = 4,157.94 × 1,403
4. Step 4: Simplify right side
   2,773.88x = 5,833,589.82
5. Step 5: Solve for x
   x = 5,833,589.82/2,773.88
6. Step 6: Final answer
   x = 2,103.04