Finding the Fourth Proportional to 5,481.21, 7,564.71 and 5,308.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,481.21 : 7,564.71 = 5,308.98 : x
2. Step 2: Convert to fraction form
   5,481.21/7,564.71 = 5,308.98/x
3. Step 3: Cross multiply
   5,481.21x = 7,564.71 × 5,308.98
4. Step 4: Simplify right side
   5,481.21x = 40,160,942.37
5. Step 5: Solve for x
   x = 40,160,942.37/5,481.21
6. Step 6: Final answer
   x = 7,327.02