Finding the Fourth Proportional to 2,116.18, 3,168.02 and 1,333.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.18 : 3,168.02 = 1,333.79 : x
2. Step 2: Convert to fraction form
   2,116.18/3,168.02 = 1,333.79/x
3. Step 3: Cross multiply
   2,116.18x = 3,168.02 × 1,333.79
4. Step 4: Simplify right side
   2,116.18x = 4,225,460.89
5. Step 5: Solve for x
   x = 4,225,460.89/2,116.18
6. Step 6: Final answer
   x = 1,996.74