Finding the Fourth Proportional to 2,730.10, 3,763.72 and 2,308.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.10 : 3,763.72 = 2,308.76 : x
2. Step 2: Convert to fraction form
   2,730.10/3,763.72 = 2,308.76/x
3. Step 3: Cross multiply
   2,730.10x = 3,763.72 × 2,308.76
4. Step 4: Simplify right side
   2,730.10x = 8,689,501.60
5. Step 5: Solve for x
   x = 8,689,501.60/2,730.10
6. Step 6: Final answer
   x = 3,182.85