Finding the Fourth Proportional to 2,087.02, 2,880.08 and 1,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.02 : 2,880.08 = 1,155.52 : x
2. Step 2: Convert to fraction form
   2,087.02/2,880.08 = 1,155.52/x
3. Step 3: Cross multiply
   2,087.02x = 2,880.08 × 1,155.52
4. Step 4: Simplify right side
   2,087.02x = 3,327,979.25
5. Step 5: Solve for x
   x = 3,327,979.25/2,087.02
6. Step 6: Final answer
   x = 1,594.61