Finding the Fourth Proportional to 23,389, 32,302.98 and 18,147.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,389 : 32,302.98 = 18,147.40 : x
2. Step 2: Convert to fraction form
   23,389/32,302.98 = 18,147.40/x
3. Step 3: Cross multiply
   23,389x = 32,302.98 × 18,147.40
4. Step 4: Simplify right side
   23,389x = 586,215,099.25
5. Step 5: Solve for x
   x = 586,215,099.25/23,389
6. Step 6: Final answer
   x = 25,063.71