Finding the Fourth Proportional to 23,901.57, 32,982.81 and 13,290.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,901.57 : 32,982.81 = 13,290.98 : x
2. Step 2: Convert to fraction form
   23,901.57/32,982.81 = 13,290.98/x
3. Step 3: Cross multiply
   23,901.57x = 32,982.81 × 13,290.98
4. Step 4: Simplify right side
   23,901.57x = 438,373,653.30
5. Step 5: Solve for x
   x = 438,373,653.30/23,901.57
6. Step 6: Final answer
   x = 18,340.79