Finding the Fourth Proportional to 2,181.23, 3,269.49 and 1,586.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.23 : 3,269.49 = 1,586.82 : x
2. Step 2: Convert to fraction form
   2,181.23/3,269.49 = 1,586.82/x
3. Step 3: Cross multiply
   2,181.23x = 3,269.49 × 1,586.82
4. Step 4: Simplify right side
   2,181.23x = 5,188,092.12
5. Step 5: Solve for x
   x = 5,188,092.12/2,181.23
6. Step 6: Final answer
   x = 2,378.52