Finding the Fourth Proportional to 11,297.72, 15,585.48 and 7,522.64

Step by Step Solution

1. Step 1: Write the proportion equation
   11,297.72 : 15,585.48 = 7,522.64 : x
2. Step 2: Convert to fraction form
   11,297.72/15,585.48 = 7,522.64/x
3. Step 3: Cross multiply
   11,297.72x = 15,585.48 × 7,522.64
4. Step 4: Simplify right side
   11,297.72x = 117,243,955.27
5. Step 5: Solve for x
   x = 117,243,955.27/11,297.72
6. Step 6: Final answer
   x = 10,377.67