Finding the Fourth Proportional to 23,439.56, 32,346.67 and 12,684.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,439.56 : 32,346.67 = 12,684.43 : x
2. Step 2: Convert to fraction form
   23,439.56/32,346.67 = 12,684.43/x
3. Step 3: Cross multiply
   23,439.56x = 32,346.67 × 12,684.43
4. Step 4: Simplify right side
   23,439.56x = 410,298,909.61
5. Step 5: Solve for x
   x = 410,298,909.61/23,439.56
6. Step 6: Final answer
   x = 17,504.55