Finding the Fourth Proportional to 5,650.86, 7,793.57 and 3,977.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,650.86 : 7,793.57 = 3,977.81 : x
2. Step 2: Convert to fraction form
   5,650.86/7,793.57 = 3,977.81/x
3. Step 3: Cross multiply
   5,650.86x = 7,793.57 × 3,977.81
4. Step 4: Simplify right side
   5,650.86x = 31,001,281.82
5. Step 5: Solve for x
   x = 31,001,281.82/5,650.86
6. Step 6: Final answer
   x = 5,486.12