Finding the Fourth Proportional to 3,860.56, 5,327.55 and 2,092.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860.56 : 5,327.55 = 2,092.16 : x
2. Step 2: Convert to fraction form
   3,860.56/5,327.55 = 2,092.16/x
3. Step 3: Cross multiply
   3,860.56x = 5,327.55 × 2,092.16
4. Step 4: Simplify right side
   3,860.56x = 11,146,100.33
5. Step 5: Solve for x
   x = 11,146,100.33/3,860.56
6. Step 6: Final answer
   x = 2,887.17