Finding the Fourth Proportional to 12,408.82, 17,118.32 and 7,373.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,408.82 : 17,118.32 = 7,373.18 : x
2. Step 2: Convert to fraction form
   12,408.82/17,118.32 = 7,373.18/x
3. Step 3: Cross multiply
   12,408.82x = 17,118.32 × 7,373.18
4. Step 4: Simplify right side
   12,408.82x = 126,216,454.66
5. Step 5: Solve for x
   x = 126,216,454.66/12,408.82
6. Step 6: Final answer
   x = 10,171.51