Finding the Fourth Proportional to 2,256.76, 3,116.77 and 1,550.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.76 : 3,116.77 = 1,550.47 : x
2. Step 2: Convert to fraction form
   2,256.76/3,116.77 = 1,550.47/x
3. Step 3: Cross multiply
   2,256.76x = 3,116.77 × 1,550.47
4. Step 4: Simplify right side
   2,256.76x = 4,832,458.38
5. Step 5: Solve for x
   x = 4,832,458.38/2,256.76
6. Step 6: Final answer
   x = 2,141.33