Finding the Fourth Proportional to 12,850.86, 17,733.33 and 7,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,850.86 : 17,733.33 = 7,261.50 : x
2. Step 2: Convert to fraction form
   12,850.86/17,733.33 = 7,261.50/x
3. Step 3: Cross multiply
   12,850.86x = 17,733.33 × 7,261.50
4. Step 4: Simplify right side
   12,850.86x = 128,770,575.80
5. Step 5: Solve for x
   x = 128,770,575.80/12,850.86
6. Step 6: Final answer
   x = 10,020.39