Finding the Fourth Proportional to 9,515.52, 13,130.50 and 5,536.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515.52 : 13,130.50 = 5,536.56 : x
2. Step 2: Convert to fraction form
   9,515.52/13,130.50 = 5,536.56/x
3. Step 3: Cross multiply
   9,515.52x = 13,130.50 × 5,536.56
4. Step 4: Simplify right side
   9,515.52x = 72,697,801.08
5. Step 5: Solve for x
   x = 72,697,801.08/9,515.52
6. Step 6: Final answer
   x = 7,639.92