Finding the Fourth Proportional to 16,005.48, 22,087.73 and 8,931.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,005.48 : 22,087.73 = 8,931.75 : x
2. Step 2: Convert to fraction form
   16,005.48/22,087.73 = 8,931.75/x
3. Step 3: Cross multiply
   16,005.48x = 22,087.73 × 8,931.75
4. Step 4: Simplify right side
   16,005.48x = 197,282,082.43
5. Step 5: Solve for x
   x = 197,282,082.43/16,005.48
6. Step 6: Final answer
   x = 12,325.91