Finding the Fourth Proportional to 10,149.68, 15,227.40 and 3,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,149.68 : 15,227.40 = 3,224.72 : x
2. Step 2: Convert to fraction form
   10,149.68/15,227.40 = 3,224.72/x
3. Step 3: Cross multiply
   10,149.68x = 15,227.40 × 3,224.72
4. Step 4: Simplify right side
   10,149.68x = 49,104,101.33
5. Step 5: Solve for x
   x = 49,104,101.33/10,149.68
6. Step 6: Final answer
   x = 4,838.00