Finding the Fourth Proportional to 1,104.51, 1,525.58 and 825.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.51 : 1,525.58 = 825.98 : x
2. Step 2: Convert to fraction form
   1,104.51/1,525.58 = 825.98/x
3. Step 3: Cross multiply
   1,104.51x = 1,525.58 × 825.98
4. Step 4: Simplify right side
   1,104.51x = 1,260,098.25
5. Step 5: Solve for x
   x = 1,260,098.25/1,104.51
6. Step 6: Final answer
   x = 1,140.87