Finding the Fourth Proportional to 3,946.42, 5,910.63 and 3,384.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946.42 : 5,910.63 = 3,384.82 : x
2. Step 2: Convert to fraction form
   3,946.42/5,910.63 = 3,384.82/x
3. Step 3: Cross multiply
   3,946.42x = 5,910.63 × 3,384.82
4. Step 4: Simplify right side
   3,946.42x = 20,006,418.64
5. Step 5: Solve for x
   x = 20,006,418.64/3,946.42
6. Step 6: Final answer
   x = 5,069.51