Finding the Fourth Proportional to 11,158.72, 16,719.72 and 5,606.44

Step by Step Solution

1. Step 1: Write the proportion equation
   11,158.72 : 16,719.72 = 5,606.44 : x
2. Step 2: Convert to fraction form
   11,158.72/16,719.72 = 5,606.44/x
3. Step 3: Cross multiply
   11,158.72x = 16,719.72 × 5,606.44
4. Step 4: Simplify right side
   11,158.72x = 93,738,107.00
5. Step 5: Solve for x
   x = 93,738,107.00/11,158.72
6. Step 6: Final answer
   x = 8,400.44