Finding the Fourth Proportional to 9,222.38, 12,726.95 and 5,030.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,222.38 : 12,726.95 = 5,030.63 : x
2. Step 2: Convert to fraction form
   9,222.38/12,726.95 = 5,030.63/x
3. Step 3: Cross multiply
   9,222.38x = 12,726.95 × 5,030.63
4. Step 4: Simplify right side
   9,222.38x = 64,024,487.69
5. Step 5: Solve for x
   x = 64,024,487.69/9,222.38
6. Step 6: Final answer
   x = 6,942.30