Finding the Fourth Proportional to 9,222.32, 12,726.77 and 5,030.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,222.32 : 12,726.77 = 5,030.57 : x
2. Step 2: Convert to fraction form
   9,222.32/12,726.77 = 5,030.57/x
3. Step 3: Cross multiply
   9,222.32x = 12,726.77 × 5,030.57
4. Step 4: Simplify right side
   9,222.32x = 64,022,818.57
5. Step 5: Solve for x
   x = 64,022,818.57/9,222.32
6. Step 6: Final answer
   x = 6,942.16