Finding the Fourth Proportional to 1,726.32, 2,588.22 and 1,110.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.32 : 2,588.22 = 1,110.72 : x
2. Step 2: Convert to fraction form
   1,726.32/2,588.22 = 1,110.72/x
3. Step 3: Cross multiply
   1,726.32x = 2,588.22 × 1,110.72
4. Step 4: Simplify right side
   1,726.32x = 2,874,787.72
5. Step 5: Solve for x
   x = 2,874,787.72/1,726.32
6. Step 6: Final answer
   x = 1,665.27