Finding the Fourth Proportional to 23,893.38, 32,973.71 and 13,139.07

Step by Step Solution

1. Step 1: Write the proportion equation
   23,893.38 : 32,973.71 = 13,139.07 : x
2. Step 2: Convert to fraction form
   23,893.38/32,973.71 = 13,139.07/x
3. Step 3: Cross multiply
   23,893.38x = 32,973.71 × 13,139.07
4. Step 4: Simplify right side
   23,893.38x = 433,243,694.50
5. Step 5: Solve for x
   x = 433,243,694.50/23,893.38
6. Step 6: Final answer
   x = 18,132.37