Finding the Fourth Proportional to 2,150.96, 3,225.48 and 997.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.96 : 3,225.48 = 997.04 : x
2. Step 2: Convert to fraction form
   2,150.96/3,225.48 = 997.04/x
3. Step 3: Cross multiply
   2,150.96x = 3,225.48 × 997.04
4. Step 4: Simplify right side
   2,150.96x = 3,215,932.58
5. Step 5: Solve for x
   x = 3,215,932.58/2,150.96
6. Step 6: Final answer
   x = 1,495.12