Finding the Fourth Proportional to 1,525.13, 2,104.69 and 826.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.13 : 2,104.69 = 826.51 : x
2. Step 2: Convert to fraction form
   1,525.13/2,104.69 = 826.51/x
3. Step 3: Cross multiply
   1,525.13x = 2,104.69 × 826.51
4. Step 4: Simplify right side
   1,525.13x = 1,739,547.33
5. Step 5: Solve for x
   x = 1,739,547.33/1,525.13
6. Step 6: Final answer
   x = 1,140.59