Finding the Fourth Proportional to 9,399.49, 12,962.30 and 5,622.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,399.49 : 12,962.30 = 5,622.01 : x
2. Step 2: Convert to fraction form
   9,399.49/12,962.30 = 5,622.01/x
3. Step 3: Cross multiply
   9,399.49x = 12,962.30 × 5,622.01
4. Step 4: Simplify right side
   9,399.49x = 72,874,249.17
5. Step 5: Solve for x
   x = 72,874,249.17/9,399.49
6. Step 6: Final answer
   x = 7,753.00