Finding the Fourth Proportional to 16,929.42, 23,364.05 and 9,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,929.42 : 23,364.05 = 9,856.50 : x
2. Step 2: Convert to fraction form
   16,929.42/23,364.05 = 9,856.50/x
3. Step 3: Cross multiply
   16,929.42x = 23,364.05 × 9,856.50
4. Step 4: Simplify right side
   16,929.42x = 230,287,758.83
5. Step 5: Solve for x
   x = 230,287,758.83/16,929.42
6. Step 6: Final answer
   x = 13,602.81