Finding the Fourth Proportional to 2,650.86, 3,977.42 and 1,333.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.86 : 3,977.42 = 1,333.92 : x
2. Step 2: Convert to fraction form
   2,650.86/3,977.42 = 1,333.92/x
3. Step 3: Cross multiply
   2,650.86x = 3,977.42 × 1,333.92
4. Step 4: Simplify right side
   2,650.86x = 5,305,560.09
5. Step 5: Solve for x
   x = 5,305,560.09/2,650.86
6. Step 6: Final answer
   x = 2,001.45