Finding the Fourth Proportional to 12,841.50, 17,722.71 and 7,252.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,841.50 : 17,722.71 = 7,252.86 : x
2. Step 2: Convert to fraction form
   12,841.50/17,722.71 = 7,252.86/x
3. Step 3: Cross multiply
   12,841.50x = 17,722.71 × 7,252.86
4. Step 4: Simplify right side
   12,841.50x = 128,540,334.45
5. Step 5: Solve for x
   x = 128,540,334.45/12,841.50
6. Step 6: Final answer
   x = 10,009.76