Finding the Fourth Proportional to 2,031.37, 2,803.29 and 1,099.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.37 : 2,803.29 = 1,099.87 : x
2. Step 2: Convert to fraction form
   2,031.37/2,803.29 = 1,099.87/x
3. Step 3: Cross multiply
   2,031.37x = 2,803.29 × 1,099.87
4. Step 4: Simplify right side
   2,031.37x = 3,083,240.56
5. Step 5: Solve for x
   x = 3,083,240.56/2,031.37
6. Step 6: Final answer
   x = 1,517.82