Finding the Fourth Proportional to 16,913.35, 23,339.94 and 9,359.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,913.35 : 23,339.94 = 9,359.99 : x
2. Step 2: Convert to fraction form
   16,913.35/23,339.94 = 9,359.99/x
3. Step 3: Cross multiply
   16,913.35x = 23,339.94 × 9,359.99
4. Step 4: Simplify right side
   16,913.35x = 218,461,605.00
5. Step 5: Solve for x
   x = 218,461,605.00/16,913.35
6. Step 6: Final answer
   x = 12,916.52