Finding the Fourth Proportional to 5,424.48, 7,486.56 and 3,564.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,424.48 : 7,486.56 = 3,564.72 : x
2. Step 2: Convert to fraction form
   5,424.48/7,486.56 = 3,564.72/x
3. Step 3: Cross multiply
   5,424.48x = 7,486.56 × 3,564.72
4. Step 4: Simplify right side
   5,424.48x = 26,687,490.16
5. Step 5: Solve for x
   x = 26,687,490.16/5,424.48
6. Step 6: Final answer
   x = 4,919.82