Finding the Fourth Proportional to 12,563.22, 17,337.15 and 7,258.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,563.22 : 17,337.15 = 7,258.56 : x
2. Step 2: Convert to fraction form
   12,563.22/17,337.15 = 7,258.56/x
3. Step 3: Cross multiply
   12,563.22x = 17,337.15 × 7,258.56
4. Step 4: Simplify right side
   12,563.22x = 125,842,743.50
5. Step 5: Solve for x
   x = 125,842,743.50/12,563.22
6. Step 6: Final answer
   x = 10,016.76