Finding the Fourth Proportional to 16,894.52, 23,314.56 and 9,340.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,894.52 : 23,314.56 = 9,340.64 : x
2. Step 2: Convert to fraction form
   16,894.52/23,314.56 = 9,340.64/x
3. Step 3: Cross multiply
   16,894.52x = 23,314.56 × 9,340.64
4. Step 4: Simplify right side
   16,894.52x = 217,772,911.72
5. Step 5: Solve for x
   x = 217,772,911.72/16,894.52
6. Step 6: Final answer
   x = 12,890.15