Finding the Fourth Proportional to 2,337.92, 3,225.18 and 2,171.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.92 : 3,225.18 = 2,171.20 : x
2. Step 2: Convert to fraction form
   2,337.92/3,225.18 = 2,171.20/x
3. Step 3: Cross multiply
   2,337.92x = 3,225.18 × 2,171.20
4. Step 4: Simplify right side
   2,337.92x = 7,002,510.82
5. Step 5: Solve for x
   x = 7,002,510.82/2,337.92
6. Step 6: Final answer
   x = 2,995.19