Finding the Fourth Proportional to 2,181.82, 3,009.77 and 1,297

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.82 : 3,009.77 = 1,297 : x
2. Step 2: Convert to fraction form
   2,181.82/3,009.77 = 1,297/x
3. Step 3: Cross multiply
   2,181.82x = 3,009.77 × 1,297
4. Step 4: Simplify right side
   2,181.82x = 3,903,671.69
5. Step 5: Solve for x
   x = 3,903,671.69/2,181.82
6. Step 6: Final answer
   x = 1,789.18