Finding the Fourth Proportional to 9,147.42, 12,604.56 and 7,536.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.42 : 12,604.56 = 7,536.30 : x
2. Step 2: Convert to fraction form
   9,147.42/12,604.56 = 7,536.30/x
3. Step 3: Cross multiply
   9,147.42x = 12,604.56 × 7,536.30
4. Step 4: Simplify right side
   9,147.42x = 94,991,745.53
5. Step 5: Solve for x
   x = 94,991,745.53/9,147.42
6. Step 6: Final answer
   x = 10,384.54