Finding the Fourth Proportional to 9,963.94, 14,942.42 and 2,942.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,963.94 : 14,942.42 = 2,942.10 : x
2. Step 2: Convert to fraction form
   9,963.94/14,942.42 = 2,942.10/x
3. Step 3: Cross multiply
   9,963.94x = 14,942.42 × 2,942.10
4. Step 4: Simplify right side
   9,963.94x = 43,962,093.88
5. Step 5: Solve for x
   x = 43,962,093.88/9,963.94
6. Step 6: Final answer
   x = 4,412.12