Finding the Fourth Proportional to 2,751.85, 3,798.42 and 1,856.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,751.85 : 3,798.42 = 1,856.89 : x
2. Step 2: Convert to fraction form
   2,751.85/3,798.42 = 1,856.89/x
3. Step 3: Cross multiply
   2,751.85x = 3,798.42 × 1,856.89
4. Step 4: Simplify right side
   2,751.85x = 7,053,219.84
5. Step 5: Solve for x
   x = 7,053,219.84/2,751.85
6. Step 6: Final answer
   x = 2,563.09