Finding the Fourth Proportional to 2,544.09, 3,815.52 and 1,858.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.09 : 3,815.52 = 1,858.83 : x
2. Step 2: Convert to fraction form
   2,544.09/3,815.52 = 1,858.83/x
3. Step 3: Cross multiply
   2,544.09x = 3,815.52 × 1,858.83
4. Step 4: Simplify right side
   2,544.09x = 7,092,403.04
5. Step 5: Solve for x
   x = 7,092,403.04/2,544.09
6. Step 6: Final answer
   x = 2,787.80