Finding the Fourth Proportional to 23,723.28, 32,737.86 and 13,113.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,723.28 : 32,737.86 = 13,113.09 : x
2. Step 2: Convert to fraction form
   23,723.28/32,737.86 = 13,113.09/x
3. Step 3: Cross multiply
   23,723.28x = 32,737.86 × 13,113.09
4. Step 4: Simplify right side
   23,723.28x = 429,294,504.59
5. Step 5: Solve for x
   x = 429,294,504.59/23,723.28
6. Step 6: Final answer
   x = 18,095.92