Finding the Fourth Proportional to 1,525.27, 2,104.89 and 826.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.27 : 2,104.89 = 826.66 : x
2. Step 2: Convert to fraction form
   1,525.27/2,104.89 = 826.66/x
3. Step 3: Cross multiply
   1,525.27x = 2,104.89 × 826.66
4. Step 4: Simplify right side
   1,525.27x = 1,740,028.37
5. Step 5: Solve for x
   x = 1,740,028.37/1,525.27
6. Step 6: Final answer
   x = 1,140.80