Finding the Fourth Proportional to 1,726.43, 2,601.27 and 1,425.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.43 : 2,601.27 = 1,425.03 : x
2. Step 2: Convert to fraction form
   1,726.43/2,601.27 = 1,425.03/x
3. Step 3: Cross multiply
   1,726.43x = 2,601.27 × 1,425.03
4. Step 4: Simplify right side
   1,726.43x = 3,706,887.79
5. Step 5: Solve for x
   x = 3,706,887.79/1,726.43
6. Step 6: Final answer
   x = 2,147.15