Finding the Fourth Proportional to 1,854.01, 2,558.55 and 1,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.01 : 2,558.55 = 1,155.25 : x
2. Step 2: Convert to fraction form
   1,854.01/2,558.55 = 1,155.25/x
3. Step 3: Cross multiply
   1,854.01x = 2,558.55 × 1,155.25
4. Step 4: Simplify right side
   1,854.01x = 2,955,764.89
5. Step 5: Solve for x
   x = 2,955,764.89/1,854.01
6. Step 6: Final answer
   x = 1,594.26