Finding the Fourth Proportional to 23,211.27, 32,033.14 and 13,139.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,211.27 : 32,033.14 = 13,139.69 : x
2. Step 2: Convert to fraction form
   23,211.27/32,033.14 = 13,139.69/x
3. Step 3: Cross multiply
   23,211.27x = 32,033.14 × 13,139.69
4. Step 4: Simplify right side
   23,211.27x = 420,905,336.31
5. Step 5: Solve for x
   x = 420,905,336.31/23,211.27
6. Step 6: Final answer
   x = 18,133.66