Finding the Fourth Proportional to 2,705.91, 3,735.18 and 2,116.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,705.91 : 3,735.18 = 2,116.62 : x
2. Step 2: Convert to fraction form
   2,705.91/3,735.18 = 2,116.62/x
3. Step 3: Cross multiply
   2,705.91x = 3,735.18 × 2,116.62
4. Step 4: Simplify right side
   2,705.91x = 7,905,956.69
5. Step 5: Solve for x
   x = 7,905,956.69/2,705.91
6. Step 6: Final answer
   x = 2,921.74