Finding the Fourth Proportional to 3,748.43, 5,174.53 and 2,422.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.43 : 5,174.53 = 2,422.78 : x
2. Step 2: Convert to fraction form
   3,748.43/5,174.53 = 2,422.78/x
3. Step 3: Cross multiply
   3,748.43x = 5,174.53 × 2,422.78
4. Step 4: Simplify right side
   3,748.43x = 12,536,728.80
5. Step 5: Solve for x
   x = 12,536,728.80/3,748.43
6. Step 6: Final answer
   x = 3,344.53