Finding the Fourth Proportional to 11,112.27, 16,668.62 and 3,716.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,112.27 : 16,668.62 = 3,716.78 : x
2. Step 2: Convert to fraction form
   11,112.27/16,668.62 = 3,716.78/x
3. Step 3: Cross multiply
   11,112.27x = 16,668.62 × 3,716.78
4. Step 4: Simplify right side
   11,112.27x = 61,953,491.52
5. Step 5: Solve for x
   x = 61,953,491.52/11,112.27
6. Step 6: Final answer
   x = 5,575.23