Finding the Fourth Proportional to 9,002.29, 12,423.81 and 5,227.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.29 : 12,423.81 = 5,227.63 : x
2. Step 2: Convert to fraction form
   9,002.29/12,423.81 = 5,227.63/x
3. Step 3: Cross multiply
   9,002.29x = 12,423.81 × 5,227.63
4. Step 4: Simplify right side
   9,002.29x = 64,947,055.73
5. Step 5: Solve for x
   x = 64,947,055.73/9,002.29
6. Step 6: Final answer
   x = 7,214.51