Finding the Fourth Proportional to 2,987.72, 4,111.24 and 2,708.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987.72 : 4,111.24 = 2,708.27 : x
2. Step 2: Convert to fraction form
   2,987.72/4,111.24 = 2,708.27/x
3. Step 3: Cross multiply
   2,987.72x = 4,111.24 × 2,708.27
4. Step 4: Simplify right side
   2,987.72x = 11,134,347.95
5. Step 5: Solve for x
   x = 11,134,347.95/2,987.72
6. Step 6: Final answer
   x = 3,726.70