Finding the Fourth Proportional to 16,152.06, 22,291.91 and 9,078.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,152.06 : 22,291.91 = 9,078.49 : x
2. Step 2: Convert to fraction form
   16,152.06/22,291.91 = 9,078.49/x
3. Step 3: Cross multiply
   16,152.06x = 22,291.91 × 9,078.49
4. Step 4: Simplify right side
   16,152.06x = 202,376,882.02
5. Step 5: Solve for x
   x = 202,376,882.02/16,152.06
6. Step 6: Final answer
   x = 12,529.48