Finding the Fourth Proportional to 2,873.84, 3,962.76 and 1,940.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.84 : 3,962.76 = 1,940.72 : x
2. Step 2: Convert to fraction form
   2,873.84/3,962.76 = 1,940.72/x
3. Step 3: Cross multiply
   2,873.84x = 3,962.76 × 1,940.72
4. Step 4: Simplify right side
   2,873.84x = 7,690,607.59
5. Step 5: Solve for x
   x = 7,690,607.59/2,873.84
6. Step 6: Final answer
   x = 2,676.07