Finding the Fourth Proportional to 2,181.89, 3,009.94 and 1,297.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.89 : 3,009.94 = 1,297.06 : x
2. Step 2: Convert to fraction form
   2,181.89/3,009.94 = 1,297.06/x
3. Step 3: Cross multiply
   2,181.89x = 3,009.94 × 1,297.06
4. Step 4: Simplify right side
   2,181.89x = 3,904,062.01
5. Step 5: Solve for x
   x = 3,904,062.01/2,181.89
6. Step 6: Final answer
   x = 1,789.31