Finding the Fourth Proportional to 21,700.50, 29,946.69 and 11,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,700.50 : 29,946.69 = 11,764.50 : x
2. Step 2: Convert to fraction form
   21,700.50/29,946.69 = 11,764.50/x
3. Step 3: Cross multiply
   21,700.50x = 29,946.69 × 11,764.50
4. Step 4: Simplify right side
   21,700.50x = 352,307,834.51
5. Step 5: Solve for x
   x = 352,307,834.51/21,700.50
6. Step 6: Final answer
   x = 16,235.01