Finding the Fourth Proportional to 3,842.15, 5,758.35 and 1,868.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.15 : 5,758.35 = 1,868.25 : x
2. Step 2: Convert to fraction form
   3,842.15/5,758.35 = 1,868.25/x
3. Step 3: Cross multiply
   3,842.15x = 5,758.35 × 1,868.25
4. Step 4: Simplify right side
   3,842.15x = 10,758,037.39
5. Step 5: Solve for x
   x = 10,758,037.39/3,842.15
6. Step 6: Final answer
   x = 2,800.01