Finding the Fourth Proportional to 16,956.61, 23,400.01 and 9,402.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.61 : 23,400.01 = 9,402.94 : x
2. Step 2: Convert to fraction form
   16,956.61/23,400.01 = 9,402.94/x
3. Step 3: Cross multiply
   16,956.61x = 23,400.01 × 9,402.94
4. Step 4: Simplify right side
   16,956.61x = 220,028,890.03
5. Step 5: Solve for x
   x = 220,028,890.03/16,956.61
6. Step 6: Final answer
   x = 12,976.00