Finding the Fourth Proportional to 1,726.88, 2,371.52 and 1,478.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.88 : 2,371.52 = 1,478.20 : x
2. Step 2: Convert to fraction form
   1,726.88/2,371.52 = 1,478.20/x
3. Step 3: Cross multiply
   1,726.88x = 2,371.52 × 1,478.20
4. Step 4: Simplify right side
   1,726.88x = 3,505,580.86
5. Step 5: Solve for x
   x = 3,505,580.86/1,726.88
6. Step 6: Final answer
   x = 2,030.01