Finding the Fourth Proportional to 16,965.63, 23,433 and 14,835.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,965.63 : 23,433 = 14,835.72 : x
2. Step 2: Convert to fraction form
   16,965.63/23,433 = 14,835.72/x
3. Step 3: Cross multiply
   16,965.63x = 23,433 × 14,835.72
4. Step 4: Simplify right side
   16,965.63x = 347,645,426.76
5. Step 5: Solve for x
   x = 347,645,426.76/16,965.63
6. Step 6: Final answer
   x = 20,491.16