Finding the Fourth Proportional to 8,942.31, 12,338.56 and 4,962.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,942.31 : 12,338.56 = 4,962.58 : x
2. Step 2: Convert to fraction form
   8,942.31/12,338.56 = 4,962.58/x
3. Step 3: Cross multiply
   8,942.31x = 12,338.56 × 4,962.58
4. Step 4: Simplify right side
   8,942.31x = 61,231,004.58
5. Step 5: Solve for x
   x = 61,231,004.58/8,942.31
6. Step 6: Final answer
   x = 6,847.34