Finding the Fourth Proportional to 23,684.43, 32,684.79 and 13,074.07

Step by Step Solution

1. Step 1: Write the proportion equation
   23,684.43 : 32,684.79 = 13,074.07 : x
2. Step 2: Convert to fraction form
   23,684.43/32,684.79 = 13,074.07/x
3. Step 3: Cross multiply
   23,684.43x = 32,684.79 × 13,074.07
4. Step 4: Simplify right side
   23,684.43x = 427,323,232.40
5. Step 5: Solve for x
   x = 427,323,232.40/23,684.43
6. Step 6: Final answer
   x = 18,042.37