Finding the Fourth Proportional to 2,287.88, 3,148.76 and 1,886.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.88 : 3,148.76 = 1,886.33 : x
2. Step 2: Convert to fraction form
   2,287.88/3,148.76 = 1,886.33/x
3. Step 3: Cross multiply
   2,287.88x = 3,148.76 × 1,886.33
4. Step 4: Simplify right side
   2,287.88x = 5,939,575.28
5. Step 5: Solve for x
   x = 5,939,575.28/2,287.88
6. Step 6: Final answer
   x = 2,596.11