Finding the Fourth Proportional to 3,663.82, 5,056.06 and 1,985.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.82 : 5,056.06 = 1,985.27 : x
2. Step 2: Convert to fraction form
   3,663.82/5,056.06 = 1,985.27/x
3. Step 3: Cross multiply
   3,663.82x = 5,056.06 × 1,985.27
4. Step 4: Simplify right side
   3,663.82x = 10,037,618.96
5. Step 5: Solve for x
   x = 10,037,618.96/3,663.82
6. Step 6: Final answer
   x = 2,739.66