Finding the Fourth Proportional to 3,748.15, 5,174.43 and 2,422.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.15 : 5,174.43 = 2,422.61 : x
2. Step 2: Convert to fraction form
   3,748.15/5,174.43 = 2,422.61/x
3. Step 3: Cross multiply
   3,748.15x = 5,174.43 × 2,422.61
4. Step 4: Simplify right side
   3,748.15x = 12,535,610.31
5. Step 5: Solve for x
   x = 12,535,610.31/3,748.15
6. Step 6: Final answer
   x = 3,344.48