Finding the Fourth Proportional to 23,900.87, 32,982.59 and 13,145.19

Step by Step Solution

1. Step 1: Write the proportion equation
   23,900.87 : 32,982.59 = 13,145.19 : x
2. Step 2: Convert to fraction form
   23,900.87/32,982.59 = 13,145.19/x
3. Step 3: Cross multiply
   23,900.87x = 32,982.59 × 13,145.19
4. Step 4: Simplify right side
   23,900.87x = 433,562,321.42
5. Step 5: Solve for x
   x = 433,562,321.42/23,900.87
6. Step 6: Final answer
   x = 18,140.02