Finding the Fourth Proportional to 3,805.77, 5,700.46 and 1,853.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805.77 : 5,700.46 = 1,853.88 : x
2. Step 2: Convert to fraction form
   3,805.77/5,700.46 = 1,853.88/x
3. Step 3: Cross multiply
   3,805.77x = 5,700.46 × 1,853.88
4. Step 4: Simplify right side
   3,805.77x = 10,567,968.78
5. Step 5: Solve for x
   x = 10,567,968.78/3,805.77
6. Step 6: Final answer
   x = 2,776.83