Finding the Fourth Proportional to 12,622.28, 17,412.24 and 7,584.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,622.28 : 17,412.24 = 7,584.64 : x
2. Step 2: Convert to fraction form
   12,622.28/17,412.24 = 7,584.64/x
3. Step 3: Cross multiply
   12,622.28x = 17,412.24 × 7,584.64
4. Step 4: Simplify right side
   12,622.28x = 132,065,535.57
5. Step 5: Solve for x
   x = 132,065,535.57/12,622.28
6. Step 6: Final answer
   x = 10,462.89