Finding the Fourth Proportional to 9,529.10, 13,150.18 and 5,280.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,529.10 : 13,150.18 = 5,280.13 : x
2. Step 2: Convert to fraction form
   9,529.10/13,150.18 = 5,280.13/x
3. Step 3: Cross multiply
   9,529.10x = 13,150.18 × 5,280.13
4. Step 4: Simplify right side
   9,529.10x = 69,434,659.92
5. Step 5: Solve for x
   x = 69,434,659.92/9,529.10
6. Step 6: Final answer
   x = 7,286.59