Finding the Fourth Proportional to 39,156.72, 53,995.42 and 23,238.09

Step by Step Solution

1. Step 1: Write the proportion equation
   39,156.72 : 53,995.42 = 23,238.09 : x
2. Step 2: Convert to fraction form
   39,156.72/53,995.42 = 23,238.09/x
3. Step 3: Cross multiply
   39,156.72x = 53,995.42 × 23,238.09
4. Step 4: Simplify right side
   39,156.72x = 1,254,750,429.55
5. Step 5: Solve for x
   x = 1,254,750,429.55/39,156.72
6. Step 6: Final answer
   x = 32,044.32