Finding the Fourth Proportional to 11,406.21, 17,114.78 and 5,559.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,406.21 : 17,114.78 = 5,559.63 : x
2. Step 2: Convert to fraction form
   11,406.21/17,114.78 = 5,559.63/x
3. Step 3: Cross multiply
   11,406.21x = 17,114.78 × 5,559.63
4. Step 4: Simplify right side
   11,406.21x = 95,151,844.33
5. Step 5: Solve for x
   x = 95,151,844.33/11,406.21
6. Step 6: Final answer
   x = 8,342.11