Finding the Fourth Proportional to 23,685.48, 32,685.66 and 13,074.89

Step by Step Solution

1. Step 1: Write the proportion equation
   23,685.48 : 32,685.66 = 13,074.89 : x
2. Step 2: Convert to fraction form
   23,685.48/32,685.66 = 13,074.89/x
3. Step 3: Cross multiply
   23,685.48x = 32,685.66 × 13,074.89
4. Step 4: Simplify right side
   23,685.48x = 427,361,245.65
5. Step 5: Solve for x
   x = 427,361,245.65/23,685.48
6. Step 6: Final answer
   x = 18,043.17