Finding the Fourth Proportional to 41,799.62, 57,758.22 and 31,087.76

Step by Step Solution

1. Step 1: Write the proportion equation
   41,799.62 : 57,758.22 = 31,087.76 : x
2. Step 2: Convert to fraction form
   41,799.62/57,758.22 = 31,087.76/x
3. Step 3: Cross multiply
   41,799.62x = 57,758.22 × 31,087.76
4. Step 4: Simplify right side
   41,799.62x = 1,795,573,681.39
5. Step 5: Solve for x
   x = 1,795,573,681.39/41,799.62
6. Step 6: Final answer
   x = 42,956.70