Finding the Fourth Proportional to 6,099.57, 8,418.33 and 4,428.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,099.57 : 8,418.33 = 4,428.56 : x
2. Step 2: Convert to fraction form
   6,099.57/8,418.33 = 4,428.56/x
3. Step 3: Cross multiply
   6,099.57x = 8,418.33 × 4,428.56
4. Step 4: Simplify right side
   6,099.57x = 37,281,015.27
5. Step 5: Solve for x
   x = 37,281,015.27/6,099.57
6. Step 6: Final answer
   x = 6,112.08