Finding the Fourth Proportional to 9,221.98, 12,726.31 and 5,030.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,221.98 : 12,726.31 = 5,030.23 : x
2. Step 2: Convert to fraction form
   9,221.98/12,726.31 = 5,030.23/x
3. Step 3: Cross multiply
   9,221.98x = 12,726.31 × 5,030.23
4. Step 4: Simplify right side
   9,221.98x = 64,016,266.35
5. Step 5: Solve for x
   x = 64,016,266.35/9,221.98
6. Step 6: Final answer
   x = 6,941.71