Finding the Fourth Proportional to 2,082.52, 3,121.62 and 1,109.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.52 : 3,121.62 = 1,109.80 : x
2. Step 2: Convert to fraction form
   2,082.52/3,121.62 = 1,109.80/x
3. Step 3: Cross multiply
   2,082.52x = 3,121.62 × 1,109.80
4. Step 4: Simplify right side
   2,082.52x = 3,464,373.88
5. Step 5: Solve for x
   x = 3,464,373.88/2,082.52
6. Step 6: Final answer
   x = 1,663.55