Finding the Fourth Proportional to 2,390.10, 3,300.51 and 1,799.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.10 : 3,300.51 = 1,799.61 : x
2. Step 2: Convert to fraction form
   2,390.10/3,300.51 = 1,799.61/x
3. Step 3: Cross multiply
   2,390.10x = 3,300.51 × 1,799.61
4. Step 4: Simplify right side
   2,390.10x = 5,939,630.80
5. Step 5: Solve for x
   x = 5,939,630.80/2,390.10
6. Step 6: Final answer
   x = 2,485.10