Finding the Fourth Proportional to 9,473.92, 13,072.50 and 5,282.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,473.92 : 13,072.50 = 5,282.20 : x
2. Step 2: Convert to fraction form
   9,473.92/13,072.50 = 5,282.20/x
3. Step 3: Cross multiply
   9,473.92x = 13,072.50 × 5,282.20
4. Step 4: Simplify right side
   9,473.92x = 69,051,559.50
5. Step 5: Solve for x
   x = 69,051,559.50/9,473.92
6. Step 6: Final answer
   x = 7,288.59