Finding the Fourth Proportional to 8,948.47, 12,348.89 and 5,222.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,948.47 : 12,348.89 = 5,222.47 : x
2. Step 2: Convert to fraction form
   8,948.47/12,348.89 = 5,222.47/x
3. Step 3: Cross multiply
   8,948.47x = 12,348.89 × 5,222.47
4. Step 4: Simplify right side
   8,948.47x = 64,491,681.45
5. Step 5: Solve for x
   x = 64,491,681.45/8,948.47
6. Step 6: Final answer
   x = 7,207.01