Finding the Fourth Proportional to 2,037.29, 2,809.50 and 1,289.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.29 : 2,809.50 = 1,289.89 : x
2. Step 2: Convert to fraction form
   2,037.29/2,809.50 = 1,289.89/x
3. Step 3: Cross multiply
   2,037.29x = 2,809.50 × 1,289.89
4. Step 4: Simplify right side
   2,037.29x = 3,623,931.91
5. Step 5: Solve for x
   x = 3,623,931.91/2,037.29
6. Step 6: Final answer
   x = 1,778.80