Finding the Fourth Proportional to 16,521.71, 22,801.32 and 9,449.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521.71 : 22,801.32 = 9,449.49 : x
2. Step 2: Convert to fraction form
   16,521.71/22,801.32 = 9,449.49/x
3. Step 3: Cross multiply
   16,521.71x = 22,801.32 × 9,449.49
4. Step 4: Simplify right side
   16,521.71x = 215,460,845.33
5. Step 5: Solve for x
   x = 215,460,845.33/16,521.71
6. Step 6: Final answer
   x = 13,041.07