Finding the Fourth Proportional to 2,280.76, 3,139.83 and 2,176.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.76 : 3,139.83 = 2,176.27 : x
2. Step 2: Convert to fraction form
   2,280.76/3,139.83 = 2,176.27/x
3. Step 3: Cross multiply
   2,280.76x = 3,139.83 × 2,176.27
4. Step 4: Simplify right side
   2,280.76x = 6,833,109.98
5. Step 5: Solve for x
   x = 6,833,109.98/2,280.76
6. Step 6: Final answer
   x = 2,995.98