Finding the Fourth Proportional to 3,151.51, 4,721.87 and 2,225.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151.51 : 4,721.87 = 2,225.41 : x
2. Step 2: Convert to fraction form
   3,151.51/4,721.87 = 2,225.41/x
3. Step 3: Cross multiply
   3,151.51x = 4,721.87 × 2,225.41
4. Step 4: Simplify right side
   3,151.51x = 10,508,085.59
5. Step 5: Solve for x
   x = 10,508,085.59/3,151.51
6. Step 6: Final answer
   x = 3,334.30