Finding the Fourth Proportional to 12,628.34, 17,423.61 and 7,250.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,628.34 : 17,423.61 = 7,250.75 : x
2. Step 2: Convert to fraction form
   12,628.34/17,423.61 = 7,250.75/x
3. Step 3: Cross multiply
   12,628.34x = 17,423.61 × 7,250.75
4. Step 4: Simplify right side
   12,628.34x = 126,334,240.21
5. Step 5: Solve for x
   x = 126,334,240.21/12,628.34
6. Step 6: Final answer
   x = 10,004.03