Finding the Fourth Proportional to 2,099.74, 2,897.58 and 1,155.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.74 : 2,897.58 = 1,155.54 : x
2. Step 2: Convert to fraction form
   2,099.74/2,897.58 = 1,155.54/x
3. Step 3: Cross multiply
   2,099.74x = 2,897.58 × 1,155.54
4. Step 4: Simplify right side
   2,099.74x = 3,348,269.59
5. Step 5: Solve for x
   x = 3,348,269.59/2,099.74
6. Step 6: Final answer
   x = 1,594.61