Finding the Fourth Proportional to 23,868.87, 32,938.16 and 13,259.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,868.87 : 32,938.16 = 13,259.18 : x
2. Step 2: Convert to fraction form
   23,868.87/32,938.16 = 13,259.18/x
3. Step 3: Cross multiply
   23,868.87x = 32,938.16 × 13,259.18
4. Step 4: Simplify right side
   23,868.87x = 436,732,992.31
5. Step 5: Solve for x
   x = 436,732,992.31/23,868.87
6. Step 6: Final answer
   x = 18,297.18