Finding the Fourth Proportional to 2,031.09, 2,802.90 and 1,099.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.09 : 2,802.90 = 1,099.59 : x
2. Step 2: Convert to fraction form
   2,031.09/2,802.90 = 1,099.59/x
3. Step 3: Cross multiply
   2,031.09x = 2,802.90 × 1,099.59
4. Step 4: Simplify right side
   2,031.09x = 3,082,040.81
5. Step 5: Solve for x
   x = 3,082,040.81/2,031.09
6. Step 6: Final answer
   x = 1,517.43