Finding the Fourth Proportional to 5,401.94, 8,103.24 and 1,891.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.94 : 8,103.24 = 1,891.53 : x
2. Step 2: Convert to fraction form
   5,401.94/8,103.24 = 1,891.53/x
3. Step 3: Cross multiply
   5,401.94x = 8,103.24 × 1,891.53
4. Step 4: Simplify right side
   5,401.94x = 15,327,521.56
5. Step 5: Solve for x
   x = 15,327,521.56/5,401.94
6. Step 6: Final answer
   x = 2,837.41