Finding the Fourth Proportional to 23,579.55, 32,545.46 and 13,513.89

Step by Step Solution

1. Step 1: Write the proportion equation
   23,579.55 : 32,545.46 = 13,513.89 : x
2. Step 2: Convert to fraction form
   23,579.55/32,545.46 = 13,513.89/x
3. Step 3: Cross multiply
   23,579.55x = 32,545.46 × 13,513.89
4. Step 4: Simplify right side
   23,579.55x = 439,815,766.44
5. Step 5: Solve for x
   x = 439,815,766.44/23,579.55
6. Step 6: Final answer
   x = 18,652.42