Finding the Fourth Proportional to 2,650.68, 3,652.88 and 1,942.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.68 : 3,652.88 = 1,942.72 : x
2. Step 2: Convert to fraction form
   2,650.68/3,652.88 = 1,942.72/x
3. Step 3: Cross multiply
   2,650.68x = 3,652.88 × 1,942.72
4. Step 4: Simplify right side
   2,650.68x = 7,096,523.03
5. Step 5: Solve for x
   x = 7,096,523.03/2,650.68
6. Step 6: Final answer
   x = 2,677.25