Finding the Fourth Proportional to 2,037.72, 3,060.69 and 1,217.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.72 : 3,060.69 = 1,217.61 : x
2. Step 2: Convert to fraction form
   2,037.72/3,060.69 = 1,217.61/x
3. Step 3: Cross multiply
   2,037.72x = 3,060.69 × 1,217.61
4. Step 4: Simplify right side
   2,037.72x = 3,726,726.75
5. Step 5: Solve for x
   x = 3,726,726.75/2,037.72
6. Step 6: Final answer
   x = 1,828.87