Finding the Fourth Proportional to 39,939.31, 55,118.94 and 22,949.06

Step by Step Solution

1. Step 1: Write the proportion equation
   39,939.31 : 55,118.94 = 22,949.06 : x
2. Step 2: Convert to fraction form
   39,939.31/55,118.94 = 22,949.06/x
3. Step 3: Cross multiply
   39,939.31x = 55,118.94 × 22,949.06
4. Step 4: Simplify right side
   39,939.31x = 1,264,927,499.54
5. Step 5: Solve for x
   x = 1,264,927,499.54/39,939.31
6. Step 6: Final answer
   x = 31,671.24