Finding the Fourth Proportional to 9,715.74, 13,406.49 and 5,524.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,715.74 : 13,406.49 = 5,524.08 : x
2. Step 2: Convert to fraction form
   9,715.74/13,406.49 = 5,524.08/x
3. Step 3: Cross multiply
   9,715.74x = 13,406.49 × 5,524.08
4. Step 4: Simplify right side
   9,715.74x = 74,058,523.28
5. Step 5: Solve for x
   x = 74,058,523.28/9,715.74
6. Step 6: Final answer
   x = 7,622.53