Finding the Fourth Proportional to 3,739.17, 5,597.89 and 2,174.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,739.17 : 5,597.89 = 2,174.40 : x
2. Step 2: Convert to fraction form
   3,739.17/5,597.89 = 2,174.40/x
3. Step 3: Cross multiply
   3,739.17x = 5,597.89 × 2,174.40
4. Step 4: Simplify right side
   3,739.17x = 12,172,052.02
5. Step 5: Solve for x
   x = 12,172,052.02/3,739.17
6. Step 6: Final answer
   x = 3,255.28