Finding the Fourth Proportional to 12,103.40, 16,697.22 and 7,624.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.40 : 16,697.22 = 7,624.04 : x
2. Step 2: Convert to fraction form
   12,103.40/16,697.22 = 7,624.04/x
3. Step 3: Cross multiply
   12,103.40x = 16,697.22 × 7,624.04
4. Step 4: Simplify right side
   12,103.40x = 127,300,273.17
5. Step 5: Solve for x
   x = 127,300,273.17/12,103.40
6. Step 6: Final answer
   x = 10,517.73