Finding the Fourth Proportional to 1,726.06, 2,577.38 and 1,356.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.06 : 2,577.38 = 1,356.70 : x
2. Step 2: Convert to fraction form
   1,726.06/2,577.38 = 1,356.70/x
3. Step 3: Cross multiply
   1,726.06x = 2,577.38 × 1,356.70
4. Step 4: Simplify right side
   1,726.06x = 3,496,731.45
5. Step 5: Solve for x
   x = 3,496,731.45/1,726.06
6. Step 6: Final answer
   x = 2,025.85