Finding the Fourth Proportional to 23,684.79, 32,684.62 and 13,074.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,684.79 : 32,684.62 = 13,074.15 : x
2. Step 2: Convert to fraction form
   23,684.79/32,684.62 = 13,074.15/x
3. Step 3: Cross multiply
   23,684.79x = 32,684.62 × 13,074.15
4. Step 4: Simplify right side
   23,684.79x = 427,323,624.57
5. Step 5: Solve for x
   x = 427,323,624.57/23,684.79
6. Step 6: Final answer
   x = 18,042.11