Finding the Fourth Proportional to 9,303.69, 12,838.92 and 5,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,303.69 : 12,838.92 = 5,270.50 : x
2. Step 2: Convert to fraction form
   9,303.69/12,838.92 = 5,270.50/x
3. Step 3: Cross multiply
   9,303.69x = 12,838.92 × 5,270.50
4. Step 4: Simplify right side
   9,303.69x = 67,667,463.67
5. Step 5: Solve for x
   x = 67,667,463.67/9,303.69
6. Step 6: Final answer
   x = 7,273.19