Finding the Fourth Proportional to 11,221.72, 16,830.42 and 3,825.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,221.72 : 16,830.42 = 3,825.52 : x
2. Step 2: Convert to fraction form
   11,221.72/16,830.42 = 3,825.52/x
3. Step 3: Cross multiply
   11,221.72x = 16,830.42 × 3,825.52
4. Step 4: Simplify right side
   11,221.72x = 64,385,108.32
5. Step 5: Solve for x
   x = 64,385,108.32/11,221.72
6. Step 6: Final answer
   x = 5,737.54