Finding the Fourth Proportional to 2,064.81, 2,848.46 and 1,985.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.81 : 2,848.46 = 1,985.27 : x
2. Step 2: Convert to fraction form
   2,064.81/2,848.46 = 1,985.27/x
3. Step 3: Cross multiply
   2,064.81x = 2,848.46 × 1,985.27
4. Step 4: Simplify right side
   2,064.81x = 5,654,938.02
5. Step 5: Solve for x
   x = 5,654,938.02/2,064.81
6. Step 6: Final answer
   x = 2,738.72