Finding the Fourth Proportional to 9,622.10, 14,411.55 and 9,622.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,622.10 : 14,411.55 = 9,622.10 : x
2. Step 2: Convert to fraction form
   9,622.10/14,411.55 = 9,622.10/x
3. Step 3: Cross multiply
   9,622.10x = 14,411.55 × 9,622.10
4. Step 4: Simplify right side
   9,622.10x = 138,669,375.26
5. Step 5: Solve for x
   x = 138,669,375.26/9,622.10
6. Step 6: Final answer
   x = 14,411.55