Finding the Fourth Proportional to 2,897.72, 3,997.32 and 2,234.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.72 : 3,997.32 = 2,234.32 : x
2. Step 2: Convert to fraction form
   2,897.72/3,997.32 = 2,234.32/x
3. Step 3: Cross multiply
   2,897.72x = 3,997.32 × 2,234.32
4. Step 4: Simplify right side
   2,897.72x = 8,931,292.02
5. Step 5: Solve for x
   x = 8,931,292.02/2,897.72
6. Step 6: Final answer
   x = 3,082.18