Finding the Fourth Proportional to 5,424.48, 7,499.52 and 4,245.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,424.48 : 7,499.52 = 4,245.12 : x
2. Step 2: Convert to fraction form
   5,424.48/7,499.52 = 4,245.12/x
3. Step 3: Cross multiply
   5,424.48x = 7,499.52 × 4,245.12
4. Step 4: Simplify right side
   5,424.48x = 31,836,362.34
5. Step 5: Solve for x
   x = 31,836,362.34/5,424.48
6. Step 6: Final answer
   x = 5,869.02