Finding the Fourth Proportional to 1,525.05, 2,104.57 and 826.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.05 : 2,104.57 = 826.43 : x
2. Step 2: Convert to fraction form
   1,525.05/2,104.57 = 826.43/x
3. Step 3: Cross multiply
   1,525.05x = 2,104.57 × 826.43
4. Step 4: Simplify right side
   1,525.05x = 1,739,271.33
5. Step 5: Solve for x
   x = 1,739,271.33/1,525.05
6. Step 6: Final answer
   x = 1,140.47