Finding the Fourth Proportional to 16,770.24, 23,086.08 and 12,784.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,770.24 : 23,086.08 = 12,784.32 : x
2. Step 2: Convert to fraction form
   16,770.24/23,086.08 = 12,784.32/x
3. Step 3: Cross multiply
   16,770.24x = 23,086.08 × 12,784.32
4. Step 4: Simplify right side
   16,770.24x = 295,139,834.27
5. Step 5: Solve for x
   x = 295,139,834.27/16,770.24
6. Step 6: Final answer
   x = 17,599.02