Finding the Fourth Proportional to 12,645.72, 17,449.02 and 7,267.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645.72 : 17,449.02 = 7,267.32 : x
2. Step 2: Convert to fraction form
   12,645.72/17,449.02 = 7,267.32/x
3. Step 3: Cross multiply
   12,645.72x = 17,449.02 × 7,267.32
4. Step 4: Simplify right side
   12,645.72x = 126,807,612.03
5. Step 5: Solve for x
   x = 126,807,612.03/12,645.72
6. Step 6: Final answer
   x = 10,027.71