Finding the Fourth Proportional to 23,174.91, 31,979.41 and 13,101.95

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.91 : 31,979.41 = 13,101.95 : x
2. Step 2: Convert to fraction form
   23,174.91/31,979.41 = 13,101.95/x
3. Step 3: Cross multiply
   23,174.91x = 31,979.41 × 13,101.95
4. Step 4: Simplify right side
   23,174.91x = 418,992,678.04
5. Step 5: Solve for x
   x = 418,992,678.04/23,174.91
6. Step 6: Final answer
   x = 18,079.58