Finding the Fourth Proportional to 12,472.33, 18,709.51 and 3,707.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,472.33 : 18,709.51 = 3,707.25 : x
2. Step 2: Convert to fraction form
   12,472.33/18,709.51 = 3,707.25/x
3. Step 3: Cross multiply
   12,472.33x = 18,709.51 × 3,707.25
4. Step 4: Simplify right side
   12,472.33x = 69,360,821.68
5. Step 5: Solve for x
   x = 69,360,821.68/12,472.33
6. Step 6: Final answer
   x = 5,561.18