Finding the Fourth Proportional to 1,998.24, 3,002.67 and 1,074.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.24 : 3,002.67 = 1,074.48 : x
2. Step 2: Convert to fraction form
   1,998.24/3,002.67 = 1,074.48/x
3. Step 3: Cross multiply
   1,998.24x = 3,002.67 × 1,074.48
4. Step 4: Simplify right side
   1,998.24x = 3,226,308.86
5. Step 5: Solve for x
   x = 3,226,308.86/1,998.24
6. Step 6: Final answer
   x = 1,614.58