Finding the Fourth Proportional to 9,622.10, 14,404.35 and 8,585.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,622.10 : 14,404.35 = 8,585.30 : x
2. Step 2: Convert to fraction form
   9,622.10/14,404.35 = 8,585.30/x
3. Step 3: Cross multiply
   9,622.10x = 14,404.35 × 8,585.30
4. Step 4: Simplify right side
   9,622.10x = 123,665,666.06
5. Step 5: Solve for x
   x = 123,665,666.06/9,622.10
6. Step 6: Final answer
   x = 12,852.25