Finding the Fourth Proportional to 41,979.32, 57,935.55 and 31,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,979.32 : 57,935.55 = 31,350.50 : x
2. Step 2: Convert to fraction form
   41,979.32/57,935.55 = 31,350.50/x
3. Step 3: Cross multiply
   41,979.32x = 57,935.55 × 31,350.50
4. Step 4: Simplify right side
   41,979.32x = 1,816,308,460.28
5. Step 5: Solve for x
   x = 1,816,308,460.28/41,979.32
6. Step 6: Final answer
   x = 43,266.74