Finding the Fourth Proportional to 5,086.18, 7,592.43 and 4,397.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.18 : 7,592.43 = 4,397.28 : x
2. Step 2: Convert to fraction form
   5,086.18/7,592.43 = 4,397.28/x
3. Step 3: Cross multiply
   5,086.18x = 7,592.43 × 4,397.28
4. Step 4: Simplify right side
   5,086.18x = 33,386,040.59
5. Step 5: Solve for x
   x = 33,386,040.59/5,086.18
6. Step 6: Final answer
   x = 6,564.07