Finding the Fourth Proportional to 23,310.56, 34,958.28 and 7,724

Step by Step Solution

1. Step 1: Write the proportion equation
   23,310.56 : 34,958.28 = 7,724 : x
2. Step 2: Convert to fraction form
   23,310.56/34,958.28 = 7,724/x
3. Step 3: Cross multiply
   23,310.56x = 34,958.28 × 7,724
4. Step 4: Simplify right side
   23,310.56x = 270,017,754.72
5. Step 5: Solve for x
   x = 270,017,754.72/23,310.56
6. Step 6: Final answer
   x = 11,583.49