Finding the Fourth Proportional to 9,540.28, 13,164.25 and 5,558.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540.28 : 13,164.25 = 5,558.32 : x
2. Step 2: Convert to fraction form
   9,540.28/13,164.25 = 5,558.32/x
3. Step 3: Cross multiply
   9,540.28x = 13,164.25 × 5,558.32
4. Step 4: Simplify right side
   9,540.28x = 73,171,114.06
5. Step 5: Solve for x
   x = 73,171,114.06/9,540.28
6. Step 6: Final answer
   x = 7,669.70