Finding the Fourth Proportional to 5,650.88, 7,790.07 and 3,967.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,650.88 : 7,790.07 = 3,967.05 : x
2. Step 2: Convert to fraction form
   5,650.88/7,790.07 = 3,967.05/x
3. Step 3: Cross multiply
   5,650.88x = 7,790.07 × 3,967.05
4. Step 4: Simplify right side
   5,650.88x = 30,903,597.19
5. Step 5: Solve for x
   x = 30,903,597.19/5,650.88
6. Step 6: Final answer
   x = 5,468.82