Finding the Fourth Proportional to 1,525.23, 2,104.83 and 826.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.23 : 2,104.83 = 826.60 : x
2. Step 2: Convert to fraction form
   1,525.23/2,104.83 = 826.60/x
3. Step 3: Cross multiply
   1,525.23x = 2,104.83 × 826.60
4. Step 4: Simplify right side
   1,525.23x = 1,739,853.61
5. Step 5: Solve for x
   x = 1,739,853.61/1,525.23
6. Step 6: Final answer
   x = 1,140.72