Finding the Fourth Proportional to 1,444.16, 1,993.92 and 1,148.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.16 : 1,993.92 = 1,148.72 : x
2. Step 2: Convert to fraction form
   1,444.16/1,993.92 = 1,148.72/x
3. Step 3: Cross multiply
   1,444.16x = 1,993.92 × 1,148.72
4. Step 4: Simplify right side
   1,444.16x = 2,290,455.78
5. Step 5: Solve for x
   x = 2,290,455.78/1,444.16
6. Step 6: Final answer
   x = 1,586.01