Finding the Fourth Proportional to 9,940.40, 14,912.42 and 4,093.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.40 : 14,912.42 = 4,093.82 : x
2. Step 2: Convert to fraction form
   9,940.40/14,912.42 = 4,093.82/x
3. Step 3: Cross multiply
   9,940.40x = 14,912.42 × 4,093.82
4. Step 4: Simplify right side
   9,940.40x = 61,048,763.24
5. Step 5: Solve for x
   x = 61,048,763.24/9,940.40
6. Step 6: Final answer
   x = 6,141.48