Finding the Fourth Proportional to 2,760.38, 4,132.86 and 2,109.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.38 : 4,132.86 = 2,109.14 : x
2. Step 2: Convert to fraction form
   2,760.38/4,132.86 = 2,109.14/x
3. Step 3: Cross multiply
   2,760.38x = 4,132.86 × 2,109.14
4. Step 4: Simplify right side
   2,760.38x = 8,716,780.34
5. Step 5: Solve for x
   x = 8,716,780.34/2,760.38
6. Step 6: Final answer
   x = 3,157.82