Finding the Fourth Proportional to 2,650.77, 3,977.34 and 1,353.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.77 : 3,977.34 = 1,353.15 : x
2. Step 2: Convert to fraction form
   2,650.77/3,977.34 = 1,353.15/x
3. Step 3: Cross multiply
   2,650.77x = 3,977.34 × 1,353.15
4. Step 4: Simplify right side
   2,650.77x = 5,381,937.62
5. Step 5: Solve for x
   x = 5,381,937.62/2,650.77
6. Step 6: Final answer
   x = 2,030.33