Finding the Fourth Proportional to 9,049.69, 12,490.29 and 5,273.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049.69 : 12,490.29 = 5,273.67 : x
2. Step 2: Convert to fraction form
   9,049.69/12,490.29 = 5,273.67/x
3. Step 3: Cross multiply
   9,049.69x = 12,490.29 × 5,273.67
4. Step 4: Simplify right side
   9,049.69x = 65,869,667.66
5. Step 5: Solve for x
   x = 65,869,667.66/9,049.69
6. Step 6: Final answer
   x = 7,278.67