Finding the Fourth Proportional to 16,243.52, 22,426.38 and 13,266.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,243.52 : 22,426.38 = 13,266.45 : x
2. Step 2: Convert to fraction form
   16,243.52/22,426.38 = 13,266.45/x
3. Step 3: Cross multiply
   16,243.52x = 22,426.38 × 13,266.45
4. Step 4: Simplify right side
   16,243.52x = 297,518,448.95
5. Step 5: Solve for x
   x = 297,518,448.95/16,243.52
6. Step 6: Final answer
   x = 18,316.14