Finding the Fourth Proportional to 11,222.94, 15,402.27 and 10,328.70

Step by Step Solution

1. Step 1: Write the proportion equation
   11,222.94 : 15,402.27 = 10,328.70 : x
2. Step 2: Convert to fraction form
   11,222.94/15,402.27 = 10,328.70/x
3. Step 3: Cross multiply
   11,222.94x = 15,402.27 × 10,328.70
4. Step 4: Simplify right side
   11,222.94x = 159,085,426.15
5. Step 5: Solve for x
   x = 159,085,426.15/11,222.94
6. Step 6: Final answer
   x = 14,175.02