Finding the Fourth Proportional to 2,073.28, 3,109.01 and 1,099.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.28 : 3,109.01 = 1,099.16 : x
2. Step 2: Convert to fraction form
   2,073.28/3,109.01 = 1,099.16/x
3. Step 3: Cross multiply
   2,073.28x = 3,109.01 × 1,099.16
4. Step 4: Simplify right side
   2,073.28x = 3,417,299.43
5. Step 5: Solve for x
   x = 3,417,299.43/2,073.28
6. Step 6: Final answer
   x = 1,648.26