Finding the Fourth Proportional to 2,037.48, 2,810.82 and 1,209

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.48 : 2,810.82 = 1,209 : x
2. Step 2: Convert to fraction form
   2,037.48/2,810.82 = 1,209/x
3. Step 3: Cross multiply
   2,037.48x = 2,810.82 × 1,209
4. Step 4: Simplify right side
   2,037.48x = 3,398,281.38
5. Step 5: Solve for x
   x = 3,398,281.38/2,037.48
6. Step 6: Final answer
   x = 1,667.88