Finding the Fourth Proportional to 23,257.89, 34,898.38 and 9,217.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,257.89 : 34,898.38 = 9,217.61 : x
2. Step 2: Convert to fraction form
   23,257.89/34,898.38 = 9,217.61/x
3. Step 3: Cross multiply
   23,257.89x = 34,898.38 × 9,217.61
4. Step 4: Simplify right side
   23,257.89x = 321,679,786.11
5. Step 5: Solve for x
   x = 321,679,786.11/23,257.89
6. Step 6: Final answer
   x = 13,830.99