Finding the Fourth Proportional to 12,588.86, 17,371.86 and 7,282.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,588.86 : 17,371.86 = 7,282.64 : x
2. Step 2: Convert to fraction form
   12,588.86/17,371.86 = 7,282.64/x
3. Step 3: Cross multiply
   12,588.86x = 17,371.86 × 7,282.64
4. Step 4: Simplify right side
   12,588.86x = 126,513,002.51
5. Step 5: Solve for x
   x = 126,513,002.51/12,588.86
6. Step 6: Final answer
   x = 10,049.60