Finding the Fourth Proportional to 9,529.38, 13,140.63 and 7,536.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,529.38 : 13,140.63 = 7,536.78 : x
2. Step 2: Convert to fraction form
   9,529.38/13,140.63 = 7,536.78/x
3. Step 3: Cross multiply
   9,529.38x = 13,140.63 × 7,536.78
4. Step 4: Simplify right side
   9,529.38x = 99,038,037.37
5. Step 5: Solve for x
   x = 99,038,037.37/9,529.38
6. Step 6: Final answer
   x = 10,392.92