Finding the Fourth Proportional to 39,942.27, 55,142.78 and 26,531.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,942.27 : 55,142.78 = 26,531.82 : x
2. Step 2: Convert to fraction form
   39,942.27/55,142.78 = 26,531.82/x
3. Step 3: Cross multiply
   39,942.27x = 55,142.78 × 26,531.82
4. Step 4: Simplify right side
   39,942.27x = 1,463,038,180.60
5. Step 5: Solve for x
   x = 1,463,038,180.60/39,942.27
6. Step 6: Final answer
   x = 36,628.82