Finding the Fourth Proportional to 16,956.01, 23,399.04 and 9,402.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.01 : 23,399.04 = 9,402.35 : x
2. Step 2: Convert to fraction form
   16,956.01/23,399.04 = 9,402.35/x
3. Step 3: Cross multiply
   16,956.01x = 23,399.04 × 9,402.35
4. Step 4: Simplify right side
   16,956.01x = 220,005,963.74
5. Step 5: Solve for x
   x = 220,005,963.74/16,956.01
6. Step 6: Final answer
   x = 12,975.10