Finding the Fourth Proportional to 3,105.10, 4,288.77 and 2,264.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.10 : 4,288.77 = 2,264.47 : x
2. Step 2: Convert to fraction form
   3,105.10/4,288.77 = 2,264.47/x
3. Step 3: Cross multiply
   3,105.10x = 4,288.77 × 2,264.47
4. Step 4: Simplify right side
   3,105.10x = 9,711,810.77
5. Step 5: Solve for x
   x = 9,711,810.77/3,105.10
6. Step 6: Final answer
   x = 3,127.70