Finding the Fourth Proportional to 12,613.69, 17,408.25 and 6,949.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,613.69 : 17,408.25 = 6,949.01 : x
2. Step 2: Convert to fraction form
   12,613.69/17,408.25 = 6,949.01/x
3. Step 3: Cross multiply
   12,613.69x = 17,408.25 × 6,949.01
4. Step 4: Simplify right side
   12,613.69x = 120,970,068.59
5. Step 5: Solve for x
   x = 120,970,068.59/12,613.69
6. Step 6: Final answer
   x = 9,590.38