Finding the Fourth Proportional to 3,931.44, 5,423.58 and 2,514.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.44 : 5,423.58 = 2,514.42 : x
2. Step 2: Convert to fraction form
   3,931.44/5,423.58 = 2,514.42/x
3. Step 3: Cross multiply
   3,931.44x = 5,423.58 × 2,514.42
4. Step 4: Simplify right side
   3,931.44x = 13,637,158.02
5. Step 5: Solve for x
   x = 13,637,158.02/3,931.44
6. Step 6: Final answer
   x = 3,468.74