Finding the Fourth Proportional to 1,726.12, 2,381.82 and 1,105

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.12 : 2,381.82 = 1,105 : x
2. Step 2: Convert to fraction form
   1,726.12/2,381.82 = 1,105/x
3. Step 3: Cross multiply
   1,726.12x = 2,381.82 × 1,105
4. Step 4: Simplify right side
   1,726.12x = 2,631,911.10
5. Step 5: Solve for x
   x = 2,631,911.10/1,726.12
6. Step 6: Final answer
   x = 1,524.76