Finding the Fourth Proportional to 1,726.47, 2,381.89 and 1,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.47 : 2,381.89 = 1,105.83 : x
2. Step 2: Convert to fraction form
   1,726.47/2,381.89 = 1,105.83/x
3. Step 3: Cross multiply
   1,726.47x = 2,381.89 × 1,105.83
4. Step 4: Simplify right side
   1,726.47x = 2,633,965.42
5. Step 5: Solve for x
   x = 2,633,965.42/1,726.47
6. Step 6: Final answer
   x = 1,525.64