Finding the Fourth Proportional to 9,529.55, 13,150.82 and 5,281.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,529.55 : 13,150.82 = 5,281.30 : x
2. Step 2: Convert to fraction form
   9,529.55/13,150.82 = 5,281.30/x
3. Step 3: Cross multiply
   9,529.55x = 13,150.82 × 5,281.30
4. Step 4: Simplify right side
   9,529.55x = 69,453,433.03
5. Step 5: Solve for x
   x = 69,453,433.03/9,529.55
6. Step 6: Final answer
   x = 7,288.22