Finding the Fourth Proportional to 2,210.88, 3,050.88 and 1,279.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.88 : 3,050.88 = 1,279.68 : x
2. Step 2: Convert to fraction form
   2,210.88/3,050.88 = 1,279.68/x
3. Step 3: Cross multiply
   2,210.88x = 3,050.88 × 1,279.68
4. Step 4: Simplify right side
   2,210.88x = 3,904,150.12
5. Step 5: Solve for x
   x = 3,904,150.12/2,210.88
6. Step 6: Final answer
   x = 1,765.88