Finding the Fourth Proportional to 16,711.25, 23,061.38 and 9,158.00

Step by Step Solution

1. Step 1: Write the proportion equation
   16,711.25 : 23,061.38 = 9,158.00 : x
2. Step 2: Convert to fraction form
   16,711.25/23,061.38 = 9,158.00/x
3. Step 3: Cross multiply
   16,711.25x = 23,061.38 × 9,158.00
4. Step 4: Simplify right side
   16,711.25x = 211,195,956.94
5. Step 5: Solve for x
   x = 211,195,956.94/16,711.25
6. Step 6: Final answer
   x = 12,637.95