Finding the Fourth Proportional to 16,275.33, 22,389.72 and 13,284.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,275.33 : 22,389.72 = 13,284.61 : x
2. Step 2: Convert to fraction form
   16,275.33/22,389.72 = 13,284.61/x
3. Step 3: Cross multiply
   16,275.33x = 22,389.72 × 13,284.61
4. Step 4: Simplify right side
   16,275.33x = 297,438,592.42
5. Step 5: Solve for x
   x = 297,438,592.42/16,275.33
6. Step 6: Final answer
   x = 18,275.43