Finding the Fourth Proportional to 16,614.54, 22,926.51 and 13,478.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,614.54 : 22,926.51 = 13,478.22 : x
2. Step 2: Convert to fraction form
   16,614.54/22,926.51 = 13,478.22/x
3. Step 3: Cross multiply
   16,614.54x = 22,926.51 × 13,478.22
4. Step 4: Simplify right side
   16,614.54x = 309,008,545.61
5. Step 5: Solve for x
   x = 309,008,545.61/16,614.54
6. Step 6: Final answer
   x = 18,598.68