Finding the Fourth Proportional to 9,960.84, 14,943.42 and 3,387.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,960.84 : 14,943.42 = 3,387.42 : x
2. Step 2: Convert to fraction form
   9,960.84/14,943.42 = 3,387.42/x
3. Step 3: Cross multiply
   9,960.84x = 14,943.42 × 3,387.42
4. Step 4: Simplify right side
   9,960.84x = 50,619,639.78
5. Step 5: Solve for x
   x = 50,619,639.78/9,960.84
6. Step 6: Final answer
   x = 5,081.86