Finding the Fourth Proportional to 1,337.72, 1,997.69 and 1,323.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.72 : 1,997.69 = 1,323.24 : x
2. Step 2: Convert to fraction form
   1,337.72/1,997.69 = 1,323.24/x
3. Step 3: Cross multiply
   1,337.72x = 1,997.69 × 1,323.24
4. Step 4: Simplify right side
   1,337.72x = 2,643,423.32
5. Step 5: Solve for x
   x = 2,643,423.32/1,337.72
6. Step 6: Final answer
   x = 1,976.07