Finding the Fourth Proportional to 16,005.02, 22,086.95 and 8,931.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,005.02 : 22,086.95 = 8,931.46 : x
2. Step 2: Convert to fraction form
   16,005.02/22,086.95 = 8,931.46/x
3. Step 3: Cross multiply
   16,005.02x = 22,086.95 × 8,931.46
4. Step 4: Simplify right side
   16,005.02x = 197,268,710.45
5. Step 5: Solve for x
   x = 197,268,710.45/16,005.02
6. Step 6: Final answer
   x = 12,325.43