Finding the Fourth Proportional to 5,449.52, 7,524.56 and 4,188.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,449.52 : 7,524.56 = 4,188.58 : x
2. Step 2: Convert to fraction form
   5,449.52/7,524.56 = 4,188.58/x
3. Step 3: Cross multiply
   5,449.52x = 7,524.56 × 4,188.58
4. Step 4: Simplify right side
   5,449.52x = 31,517,221.52
5. Step 5: Solve for x
   x = 31,517,221.52/5,449.52
6. Step 6: Final answer
   x = 5,783.49