Finding the Fourth Proportional to 10,452.22, 15,659.49 and 10,230.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,452.22 : 15,659.49 = 10,230.78 : x
2. Step 2: Convert to fraction form
   10,452.22/15,659.49 = 10,230.78/x
3. Step 3: Cross multiply
   10,452.22x = 15,659.49 × 10,230.78
4. Step 4: Simplify right side
   10,452.22x = 160,208,797.10
5. Step 5: Solve for x
   x = 160,208,797.10/10,452.22
6. Step 6: Final answer
   x = 15,327.73