Finding the Fourth Proportional to 3,943.34, 5,910.41 and 2,966.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.34 : 5,910.41 = 2,966.30 : x
2. Step 2: Convert to fraction form
   3,943.34/5,910.41 = 2,966.30/x
3. Step 3: Cross multiply
   3,943.34x = 5,910.41 × 2,966.30
4. Step 4: Simplify right side
   3,943.34x = 17,532,049.18
5. Step 5: Solve for x
   x = 17,532,049.18/3,943.34
6. Step 6: Final answer
   x = 4,445.99