Finding the Fourth Proportional to 57,288.36, 79,058.78 and 31,796.36

Step by Step Solution

1. Step 1: Write the proportion equation
   57,288.36 : 79,058.78 = 31,796.36 : x
2. Step 2: Convert to fraction form
   57,288.36/79,058.78 = 31,796.36/x
3. Step 3: Cross multiply
   57,288.36x = 79,058.78 × 31,796.36
4. Step 4: Simplify right side
   57,288.36x = 2,513,781,915.03
5. Step 5: Solve for x
   x = 2,513,781,915.03/57,288.36
6. Step 6: Final answer
   x = 43,879.46