Finding the Fourth Proportional to 2,747.39, 3,788.37 and 2,116.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747.39 : 3,788.37 = 2,116.52 : x
2. Step 2: Convert to fraction form
   2,747.39/3,788.37 = 2,116.52/x
3. Step 3: Cross multiply
   2,747.39x = 3,788.37 × 2,116.52
4. Step 4: Simplify right side
   2,747.39x = 8,018,160.87
5. Step 5: Solve for x
   x = 8,018,160.87/2,747.39
6. Step 6: Final answer
   x = 2,918.46