Finding the Fourth Proportional to 2,910.74, 4,019.24 and 2,699.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.74 : 4,019.24 = 2,699.69 : x
2. Step 2: Convert to fraction form
   2,910.74/4,019.24 = 2,699.69/x
3. Step 3: Cross multiply
   2,910.74x = 4,019.24 × 2,699.69
4. Step 4: Simplify right side
   2,910.74x = 10,850,702.04
5. Step 5: Solve for x
   x = 10,850,702.04/2,910.74
6. Step 6: Final answer
   x = 3,727.82