Finding the Fourth Proportional to 1,890.62, 2,608.88 and 1,751.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.62 : 2,608.88 = 1,751.30 : x
2. Step 2: Convert to fraction form
   1,890.62/2,608.88 = 1,751.30/x
3. Step 3: Cross multiply
   1,890.62x = 2,608.88 × 1,751.30
4. Step 4: Simplify right side
   1,890.62x = 4,568,931.54
5. Step 5: Solve for x
   x = 4,568,931.54/1,890.62
6. Step 6: Final answer
   x = 2,416.63