Finding the Fourth Proportional to 16,956.54, 23,398.88 and 9,402.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.54 : 23,398.88 = 9,402.59 : x
2. Step 2: Convert to fraction form
   16,956.54/23,398.88 = 9,402.59/x
3. Step 3: Cross multiply
   16,956.54x = 23,398.88 × 9,402.59
4. Step 4: Simplify right side
   16,956.54x = 220,009,964.15
5. Step 5: Solve for x
   x = 220,009,964.15/16,956.54
6. Step 6: Final answer
   x = 12,974.94