Finding the Fourth Proportional to 23,685.29, 32,686.14 and 13,074.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,685.29 : 32,686.14 = 13,074.69 : x
2. Step 2: Convert to fraction form
   23,685.29/32,686.14 = 13,074.69/x
3. Step 3: Cross multiply
   23,685.29x = 32,686.14 × 13,074.69
4. Step 4: Simplify right side
   23,685.29x = 427,361,147.80
5. Step 5: Solve for x
   x = 427,361,147.80/23,685.29
6. Step 6: Final answer
   x = 18,043.32