Finding the Fourth Proportional to 16,160.13, 22,300.79 and 9,087.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,160.13 : 22,300.79 = 9,087.75 : x
2. Step 2: Convert to fraction form
   16,160.13/22,300.79 = 9,087.75/x
3. Step 3: Cross multiply
   16,160.13x = 22,300.79 × 9,087.75
4. Step 4: Simplify right side
   16,160.13x = 202,663,958.88
5. Step 5: Solve for x
   x = 202,663,958.88/16,160.13
6. Step 6: Final answer
   x = 12,540.99