Finding the Fourth Proportional to 11,112.66, 16,665.53 and 3,715.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,112.66 : 16,665.53 = 3,715.41 : x
2. Step 2: Convert to fraction form
   11,112.66/16,665.53 = 3,715.41/x
3. Step 3: Cross multiply
   11,112.66x = 16,665.53 × 3,715.41
4. Step 4: Simplify right side
   11,112.66x = 61,919,276.82
5. Step 5: Solve for x
   x = 61,919,276.82/11,112.66
6. Step 6: Final answer
   x = 5,571.96