Finding the Fourth Proportional to 2,736.50, 3,772.90 and 2,099.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.50 : 3,772.90 = 2,099.18 : x
2. Step 2: Convert to fraction form
   2,736.50/3,772.90 = 2,099.18/x
3. Step 3: Cross multiply
   2,736.50x = 3,772.90 × 2,099.18
4. Step 4: Simplify right side
   2,736.50x = 7,919,966.86
5. Step 5: Solve for x
   x = 7,919,966.86/2,736.50
6. Step 6: Final answer
   x = 2,894.20