Finding the Fourth Proportional to 10,364.71, 14,299.02 and 7,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,364.71 : 14,299.02 = 7,222.72 : x
2. Step 2: Convert to fraction form
   10,364.71/14,299.02 = 7,222.72/x
3. Step 3: Cross multiply
   10,364.71x = 14,299.02 × 7,222.72
4. Step 4: Simplify right side
   10,364.71x = 103,277,817.73
5. Step 5: Solve for x
   x = 103,277,817.73/10,364.71
6. Step 6: Final answer
   x = 9,964.37