Finding the Fourth Proportional to 11,229.66, 16,839.86 and 3,834.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,229.66 : 16,839.86 = 3,834.72 : x
2. Step 2: Convert to fraction form
   11,229.66/16,839.86 = 3,834.72/x
3. Step 3: Cross multiply
   11,229.66x = 16,839.86 × 3,834.72
4. Step 4: Simplify right side
   11,229.66x = 64,576,128.77
5. Step 5: Solve for x
   x = 64,576,128.77/11,229.66
6. Step 6: Final answer
   x = 5,750.50