Finding the Fourth Proportional to 1,456.16, 2,169.52 and 1,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.16 : 2,169.52 = 1,382.72 : x
2. Step 2: Convert to fraction form
   1,456.16/2,169.52 = 1,382.72/x
3. Step 3: Cross multiply
   1,456.16x = 2,169.52 × 1,382.72
4. Step 4: Simplify right side
   1,456.16x = 2,999,838.69
5. Step 5: Solve for x
   x = 2,999,838.69/1,456.16
6. Step 6: Final answer
   x = 2,060.10