Finding the Fourth Proportional to 12,767.14, 17,612.89 and 7,459.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,767.14 : 17,612.89 = 7,459.57 : x
2. Step 2: Convert to fraction form
   12,767.14/17,612.89 = 7,459.57/x
3. Step 3: Cross multiply
   12,767.14x = 17,612.89 × 7,459.57
4. Step 4: Simplify right side
   12,767.14x = 131,384,585.86
5. Step 5: Solve for x
   x = 131,384,585.86/12,767.14
6. Step 6: Final answer
   x = 10,290.84