Finding the Fourth Proportional to 2,099.28, 2,897.06 and 1,155.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.28 : 2,897.06 = 1,155.10 : x
2. Step 2: Convert to fraction form
   2,099.28/2,897.06 = 1,155.10/x
3. Step 3: Cross multiply
   2,099.28x = 2,897.06 × 1,155.10
4. Step 4: Simplify right side
   2,099.28x = 3,346,394.01
5. Step 5: Solve for x
   x = 3,346,394.01/2,099.28
6. Step 6: Final answer
   x = 1,594.07