Finding the Fourth Proportional to 2,205.90, 3,037.59 and 1,910.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.90 : 3,037.59 = 1,910.70 : x
2. Step 2: Convert to fraction form
   2,205.90/3,037.59 = 1,910.70/x
3. Step 3: Cross multiply
   2,205.90x = 3,037.59 × 1,910.70
4. Step 4: Simplify right side
   2,205.90x = 5,803,923.21
5. Step 5: Solve for x
   x = 5,803,923.21/2,205.90
6. Step 6: Final answer
   x = 2,631.09