Finding the Fourth Proportional to 11,139.30, 16,711.10 and 3,743.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,139.30 : 16,711.10 = 3,743.86 : x
2. Step 2: Convert to fraction form
   11,139.30/16,711.10 = 3,743.86/x
3. Step 3: Cross multiply
   11,139.30x = 16,711.10 × 3,743.86
4. Step 4: Simplify right side
   11,139.30x = 62,564,018.85
5. Step 5: Solve for x
   x = 62,564,018.85/11,139.30
6. Step 6: Final answer
   x = 5,616.51