Finding the Fourth Proportional to 23,315.61, 34,942.89 and 9,268.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,315.61 : 34,942.89 = 9,268.20 : x
2. Step 2: Convert to fraction form
   23,315.61/34,942.89 = 9,268.20/x
3. Step 3: Cross multiply
   23,315.61x = 34,942.89 × 9,268.20
4. Step 4: Simplify right side
   23,315.61x = 323,857,693.10
5. Step 5: Solve for x
   x = 323,857,693.10/23,315.61
6. Step 6: Final answer
   x = 13,890.17