Finding the Fourth Proportional to 9,395.77, 12,964.59 and 5,620.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,395.77 : 12,964.59 = 5,620.48 : x
2. Step 2: Convert to fraction form
   9,395.77/12,964.59 = 5,620.48/x
3. Step 3: Cross multiply
   9,395.77x = 12,964.59 × 5,620.48
4. Step 4: Simplify right side
   9,395.77x = 72,867,218.80
5. Step 5: Solve for x
   x = 72,867,218.80/9,395.77
6. Step 6: Final answer
   x = 7,755.32