Finding the Fourth Proportional to 1,525.31, 2,104.94 and 826.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.31 : 2,104.94 = 826.69 : x
2. Step 2: Convert to fraction form
   1,525.31/2,104.94 = 826.69/x
3. Step 3: Cross multiply
   1,525.31x = 2,104.94 × 826.69
4. Step 4: Simplify right side
   1,525.31x = 1,740,123.45
5. Step 5: Solve for x
   x = 1,740,123.45/1,525.31
6. Step 6: Final answer
   x = 1,140.83