Finding the Fourth Proportional to 41,978.32, 57,934.17 and 31,349.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,978.32 : 57,934.17 = 31,349.50 : x
2. Step 2: Convert to fraction form
   41,978.32/57,934.17 = 31,349.50/x
3. Step 3: Cross multiply
   41,978.32x = 57,934.17 × 31,349.50
4. Step 4: Simplify right side
   41,978.32x = 1,816,207,117.58
5. Step 5: Solve for x
   x = 1,816,207,117.58/41,978.32
6. Step 6: Final answer
   x = 43,265.36