Finding the Fourth Proportional to 23,869.05, 32,938.35 and 13,259.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,869.05 : 32,938.35 = 13,259.34 : x
2. Step 2: Convert to fraction form
   23,869.05/32,938.35 = 13,259.34/x
3. Step 3: Cross multiply
   23,869.05x = 32,938.35 × 13,259.34
4. Step 4: Simplify right side
   23,869.05x = 436,740,781.69
5. Step 5: Solve for x
   x = 436,740,781.69/23,869.05
6. Step 6: Final answer
   x = 18,297.37