Finding the Fourth Proportional to 9,209.16, 12,708.72 and 5,017.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,209.16 : 12,708.72 = 5,017.68 : x
2. Step 2: Convert to fraction form
   9,209.16/12,708.72 = 5,017.68/x
3. Step 3: Cross multiply
   9,209.16x = 12,708.72 × 5,017.68
4. Step 4: Simplify right side
   9,209.16x = 63,768,290.17
5. Step 5: Solve for x
   x = 63,768,290.17/9,209.16
6. Step 6: Final answer
   x = 6,924.44