Finding the Fourth Proportional to 12,645.95, 17,450.06 and 7,267.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645.95 : 17,450.06 = 7,267.30 : x
2. Step 2: Convert to fraction form
   12,645.95/17,450.06 = 7,267.30/x
3. Step 3: Cross multiply
   12,645.95x = 17,450.06 × 7,267.30
4. Step 4: Simplify right side
   12,645.95x = 126,814,697.45
5. Step 5: Solve for x
   x = 126,814,697.45/12,645.95
6. Step 6: Final answer
   x = 10,028.09