Finding the Fourth Proportional to 2,038.72, 3,057.05 and 997.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.72 : 3,057.05 = 997.16 : x
2. Step 2: Convert to fraction form
   2,038.72/3,057.05 = 997.16/x
3. Step 3: Cross multiply
   2,038.72x = 3,057.05 × 997.16
4. Step 4: Simplify right side
   2,038.72x = 3,048,367.98
5. Step 5: Solve for x
   x = 3,048,367.98/2,038.72
6. Step 6: Final answer
   x = 1,495.24