Finding the Fourth Proportional to 57,039, 78,714.09 and 31,893.36

Step by Step Solution

1. Step 1: Write the proportion equation
   57,039 : 78,714.09 = 31,893.36 : x
2. Step 2: Convert to fraction form
   57,039/78,714.09 = 31,893.36/x
3. Step 3: Cross multiply
   57,039x = 78,714.09 × 31,893.36
4. Step 4: Simplify right side
   57,039x = 2,510,456,809.44
5. Step 5: Solve for x
   x = 2,510,456,809.44/57,039
6. Step 6: Final answer
   x = 44,012.99