Finding the Fourth Proportional to 3,841.83, 5,758.02 and 2,087.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,841.83 : 5,758.02 = 2,087.78 : x
2. Step 2: Convert to fraction form
   3,841.83/5,758.02 = 2,087.78/x
3. Step 3: Cross multiply
   3,841.83x = 5,758.02 × 2,087.78
4. Step 4: Simplify right side
   3,841.83x = 12,021,450.21
5. Step 5: Solve for x
   x = 12,021,450.21/3,841.83
6. Step 6: Final answer
   x = 3,129.09