Finding the Fourth Proportional to 2,585.58, 3,570.60 and 1,878.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.58 : 3,570.60 = 1,878.48 : x
2. Step 2: Convert to fraction form
   2,585.58/3,570.60 = 1,878.48/x
3. Step 3: Cross multiply
   2,585.58x = 3,570.60 × 1,878.48
4. Step 4: Simplify right side
   2,585.58x = 6,707,300.69
5. Step 5: Solve for x
   x = 6,707,300.69/2,585.58
6. Step 6: Final answer
   x = 2,594.12