Finding the Fourth Proportional to 23,189.87, 32,002.02 and 13,118.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,189.87 : 32,002.02 = 13,118.09 : x
2. Step 2: Convert to fraction form
   23,189.87/32,002.02 = 13,118.09/x
3. Step 3: Cross multiply
   23,189.87x = 32,002.02 × 13,118.09
4. Step 4: Simplify right side
   23,189.87x = 419,805,378.54
5. Step 5: Solve for x
   x = 419,805,378.54/23,189.87
6. Step 6: Final answer
   x = 18,102.96