Finding the Fourth Proportional to 3,776.72, 5,661.40 and 1,798.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.72 : 5,661.40 = 1,798.92 : x
2. Step 2: Convert to fraction form
   3,776.72/5,661.40 = 1,798.92/x
3. Step 3: Cross multiply
   3,776.72x = 5,661.40 × 1,798.92
4. Step 4: Simplify right side
   3,776.72x = 10,184,405.69
5. Step 5: Solve for x
   x = 10,184,405.69/3,776.72
6. Step 6: Final answer
   x = 2,696.63