Finding the Fourth Proportional to 8,977.94, 12,395.64 and 5,622.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,977.94 : 12,395.64 = 5,622.10 : x
2. Step 2: Convert to fraction form
   8,977.94/12,395.64 = 5,622.10/x
3. Step 3: Cross multiply
   8,977.94x = 12,395.64 × 5,622.10
4. Step 4: Simplify right side
   8,977.94x = 69,689,527.64
5. Step 5: Solve for x
   x = 69,689,527.64/8,977.94
6. Step 6: Final answer
   x = 7,762.31