Finding the Fourth Proportional to 12,583.72, 17,367.54 and 7,281.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,583.72 : 17,367.54 = 7,281.76 : x
2. Step 2: Convert to fraction form
   12,583.72/17,367.54 = 7,281.76/x
3. Step 3: Cross multiply
   12,583.72x = 17,367.54 × 7,281.76
4. Step 4: Simplify right side
   12,583.72x = 126,466,258.07
5. Step 5: Solve for x
   x = 126,466,258.07/12,583.72
6. Step 6: Final answer
   x = 10,049.99