Finding the Fourth Proportional to 11,113.71, 16,662.72 and 5,563.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,113.71 : 16,662.72 = 5,563.08 : x
2. Step 2: Convert to fraction form
   11,113.71/16,662.72 = 5,563.08/x
3. Step 3: Cross multiply
   11,113.71x = 16,662.72 × 5,563.08
4. Step 4: Simplify right side
   11,113.71x = 92,696,044.38
5. Step 5: Solve for x
   x = 92,696,044.38/11,113.71
6. Step 6: Final answer
   x = 8,340.69