Finding the Fourth Proportional to 2,216.81, 3,054.98 and 1,586.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.81 : 3,054.98 = 1,586.24 : x
2. Step 2: Convert to fraction form
   2,216.81/3,054.98 = 1,586.24/x
3. Step 3: Cross multiply
   2,216.81x = 3,054.98 × 1,586.24
4. Step 4: Simplify right side
   2,216.81x = 4,845,908.27
5. Step 5: Solve for x
   x = 4,845,908.27/2,216.81
6. Step 6: Final answer
   x = 2,185.99