Finding the Fourth Proportional to 11,047.17, 16,559.15 and 5,417.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,047.17 : 16,559.15 = 5,417.07 : x
2. Step 2: Convert to fraction form
   11,047.17/16,559.15 = 5,417.07/x
3. Step 3: Cross multiply
   11,047.17x = 16,559.15 × 5,417.07
4. Step 4: Simplify right side
   11,047.17x = 89,702,074.69
5. Step 5: Solve for x
   x = 89,702,074.69/11,047.17
6. Step 6: Final answer
   x = 8,119.91