Finding the Fourth Proportional to 2,181.33, 3,010.22 and 1,186.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.33 : 3,010.22 = 1,186.59 : x
2. Step 2: Convert to fraction form
   2,181.33/3,010.22 = 1,186.59/x
3. Step 3: Cross multiply
   2,181.33x = 3,010.22 × 1,186.59
4. Step 4: Simplify right side
   2,181.33x = 3,571,896.95
5. Step 5: Solve for x
   x = 3,571,896.95/2,181.33
6. Step 6: Final answer
   x = 1,637.49