Finding the Fourth Proportional to 9,529.05, 13,150.06 and 5,280.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,529.05 : 13,150.06 = 5,280.12 : x
2. Step 2: Convert to fraction form
   9,529.05/13,150.06 = 5,280.12/x
3. Step 3: Cross multiply
   9,529.05x = 13,150.06 × 5,280.12
4. Step 4: Simplify right side
   9,529.05x = 69,433,894.81
5. Step 5: Solve for x
   x = 69,433,894.81/9,529.05
6. Step 6: Final answer
   x = 7,286.55