Finding the Fourth Proportional to 6,942.16, 9,583.35 and 4,427.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,942.16 : 9,583.35 = 4,427.72 : x
2. Step 2: Convert to fraction form
   6,942.16/9,583.35 = 4,427.72/x
3. Step 3: Cross multiply
   6,942.16x = 9,583.35 × 4,427.72
4. Step 4: Simplify right side
   6,942.16x = 42,432,361.88
5. Step 5: Solve for x
   x = 42,432,361.88/6,942.16
6. Step 6: Final answer
   x = 6,112.27