Finding the Fourth Proportional to 2,103.24, 3,153.06 and 803.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.24 : 3,153.06 = 803.82 : x
2. Step 2: Convert to fraction form
   2,103.24/3,153.06 = 803.82/x
3. Step 3: Cross multiply
   2,103.24x = 3,153.06 × 803.82
4. Step 4: Simplify right side
   2,103.24x = 2,534,492.69
5. Step 5: Solve for x
   x = 2,534,492.69/2,103.24
6. Step 6: Final answer
   x = 1,205.04