Finding the Fourth Proportional to 1,404.88, 2,104.76 and 825.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.88 : 2,104.76 = 825.04 : x
2. Step 2: Convert to fraction form
   1,404.88/2,104.76 = 825.04/x
3. Step 3: Cross multiply
   1,404.88x = 2,104.76 × 825.04
4. Step 4: Simplify right side
   1,404.88x = 1,736,511.19
5. Step 5: Solve for x
   x = 1,736,511.19/1,404.88
6. Step 6: Final answer
   x = 1,236.06