Finding the Fourth Proportional to 16,867.31, 23,276.61 and 9,314.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,867.31 : 23,276.61 = 9,314.42 : x
2. Step 2: Convert to fraction form
   16,867.31/23,276.61 = 9,314.42/x
3. Step 3: Cross multiply
   16,867.31x = 23,276.61 × 9,314.42
4. Step 4: Simplify right side
   16,867.31x = 216,808,005.33
5. Step 5: Solve for x
   x = 216,808,005.33/16,867.31
6. Step 6: Final answer
   x = 12,853.74