Finding the Fourth Proportional to 9,101.36, 12,559.56 and 5,564.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,101.36 : 12,559.56 = 5,564.72 : x
2. Step 2: Convert to fraction form
   9,101.36/12,559.56 = 5,564.72/x
3. Step 3: Cross multiply
   9,101.36x = 12,559.56 × 5,564.72
4. Step 4: Simplify right side
   9,101.36x = 69,890,434.72
5. Step 5: Solve for x
   x = 69,890,434.72/9,101.36
6. Step 6: Final answer
   x = 7,679.12