Finding the Fourth Proportional to 41,931.46, 57,843.12 and 31,843.18

Step by Step Solution

1. Step 1: Write the proportion equation
   41,931.46 : 57,843.12 = 31,843.18 : x
2. Step 2: Convert to fraction form
   41,931.46/57,843.12 = 31,843.18/x
3. Step 3: Cross multiply
   41,931.46x = 57,843.12 × 31,843.18
4. Step 4: Simplify right side
   41,931.46x = 1,841,908,881.92
5. Step 5: Solve for x
   x = 1,841,908,881.92/41,931.46
6. Step 6: Final answer
   x = 43,926.66