Finding the Fourth Proportional to 10,926.16, 16,389.27 and 7,227.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,926.16 : 16,389.27 = 7,227.70 : x
2. Step 2: Convert to fraction form
   10,926.16/16,389.27 = 7,227.70/x
3. Step 3: Cross multiply
   10,926.16x = 16,389.27 × 7,227.70
4. Step 4: Simplify right side
   10,926.16x = 118,456,726.78
5. Step 5: Solve for x
   x = 118,456,726.78/10,926.16
6. Step 6: Final answer
   x = 10,841.57