Finding the Fourth Proportional to 9,030.72, 12,436.38 and 7,444.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,030.72 : 12,436.38 = 7,444.23 : x
2. Step 2: Convert to fraction form
   9,030.72/12,436.38 = 7,444.23/x
3. Step 3: Cross multiply
   9,030.72x = 12,436.38 × 7,444.23
4. Step 4: Simplify right side
   9,030.72x = 92,579,273.09
5. Step 5: Solve for x
   x = 92,579,273.09/9,030.72
6. Step 6: Final answer
   x = 10,251.59