Finding the Fourth Proportional to 23,169.59, 31,975.42 and 13,098.97

Step by Step Solution

1. Step 1: Write the proportion equation
   23,169.59 : 31,975.42 = 13,098.97 : x
2. Step 2: Convert to fraction form
   23,169.59/31,975.42 = 13,098.97/x
3. Step 3: Cross multiply
   23,169.59x = 31,975.42 × 13,098.97
4. Step 4: Simplify right side
   23,169.59x = 418,845,064.83
5. Step 5: Solve for x
   x = 418,845,064.83/23,169.59
6. Step 6: Final answer
   x = 18,077.36