Finding the Fourth Proportional to 9,222.18, 12,726.63 and 5,030.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,222.18 : 12,726.63 = 5,030.70 : x
2. Step 2: Convert to fraction form
   9,222.18/12,726.63 = 5,030.70/x
3. Step 3: Cross multiply
   9,222.18x = 12,726.63 × 5,030.70
4. Step 4: Simplify right side
   9,222.18x = 64,023,857.54
5. Step 5: Solve for x
   x = 64,023,857.54/9,222.18
6. Step 6: Final answer
   x = 6,942.38