Finding the Fourth Proportional to 8,926.89, 12,321.95 and 5,201.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,926.89 : 12,321.95 = 5,201.61 : x
2. Step 2: Convert to fraction form
   8,926.89/12,321.95 = 5,201.61/x
3. Step 3: Cross multiply
   8,926.89x = 12,321.95 × 5,201.61
4. Step 4: Simplify right side
   8,926.89x = 64,093,952.33
5. Step 5: Solve for x
   x = 64,093,952.33/8,926.89
6. Step 6: Final answer
   x = 7,179.87