Finding the Fourth Proportional to 12,404.82, 17,118.96 and 6,739.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.82 : 17,118.96 = 6,739.57 : x
2. Step 2: Convert to fraction form
   12,404.82/17,118.96 = 6,739.57/x
3. Step 3: Cross multiply
   12,404.82x = 17,118.96 × 6,739.57
4. Step 4: Simplify right side
   12,404.82x = 115,374,429.25
5. Step 5: Solve for x
   x = 115,374,429.25/12,404.82
6. Step 6: Final answer
   x = 9,300.77