Finding the Fourth Proportional to 16,948.28, 23,389.55 and 9,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,948.28 : 23,389.55 = 9,395.50 : x
2. Step 2: Convert to fraction form
   16,948.28/23,389.55 = 9,395.50/x
3. Step 3: Cross multiply
   16,948.28x = 23,389.55 × 9,395.50
4. Step 4: Simplify right side
   16,948.28x = 219,756,517.03
5. Step 5: Solve for x
   x = 219,756,517.03/16,948.28
6. Step 6: Final answer
   x = 12,966.30