Finding the Fourth Proportional to 2,846.88, 4,266.72 and 1,386.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.88 : 4,266.72 = 1,386.48 : x
2. Step 2: Convert to fraction form
   2,846.88/4,266.72 = 1,386.48/x
3. Step 3: Cross multiply
   2,846.88x = 4,266.72 × 1,386.48
4. Step 4: Simplify right side
   2,846.88x = 5,915,721.95
5. Step 5: Solve for x
   x = 5,915,721.95/2,846.88
6. Step 6: Final answer
   x = 2,077.97