Finding the Fourth Proportional to 3,962.88, 5,945.94 and 2,116.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,962.88 : 5,945.94 = 2,116.08 : x
2. Step 2: Convert to fraction form
   3,962.88/5,945.94 = 2,116.08/x
3. Step 3: Cross multiply
   3,962.88x = 5,945.94 × 2,116.08
4. Step 4: Simplify right side
   3,962.88x = 12,582,084.72
5. Step 5: Solve for x
   x = 12,582,084.72/3,962.88
6. Step 6: Final answer
   x = 3,174.99