Finding the Fourth Proportional to 23,131.30, 34,641.02 and 13,240.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,131.30 : 34,641.02 = 13,240.62 : x
2. Step 2: Convert to fraction form
   23,131.30/34,641.02 = 13,240.62/x
3. Step 3: Cross multiply
   23,131.30x = 34,641.02 × 13,240.62
4. Step 4: Simplify right side
   23,131.30x = 458,668,582.23
5. Step 5: Solve for x
   x = 458,668,582.23/23,131.30
6. Step 6: Final answer
   x = 19,828.92