Finding the Fourth Proportional to 1,766.72, 2,642.40 and 1,444.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.72 : 2,642.40 = 1,444.16 : x
2. Step 2: Convert to fraction form
   1,766.72/2,642.40 = 1,444.16/x
3. Step 3: Cross multiply
   1,766.72x = 2,642.40 × 1,444.16
4. Step 4: Simplify right side
   1,766.72x = 3,816,048.38
5. Step 5: Solve for x
   x = 3,816,048.38/1,766.72
6. Step 6: Final answer
   x = 2,159.96