Finding the Fourth Proportional to 11,111.91, 16,668.76 and 3,716.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.91 : 16,668.76 = 3,716.41 : x
2. Step 2: Convert to fraction form
   11,111.91/16,668.76 = 3,716.41/x
3. Step 3: Cross multiply
   11,111.91x = 16,668.76 × 3,716.41
4. Step 4: Simplify right side
   11,111.91x = 61,947,927.77
5. Step 5: Solve for x
   x = 61,947,927.77/11,111.91
6. Step 6: Final answer
   x = 5,574.91