Finding the Fourth Proportional to 2,872.69, 3,965.32 and 1,693.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,872.69 : 3,965.32 = 1,693.69 : x
2. Step 2: Convert to fraction form
   2,872.69/3,965.32 = 1,693.69/x
3. Step 3: Cross multiply
   2,872.69x = 3,965.32 × 1,693.69
4. Step 4: Simplify right side
   2,872.69x = 6,716,015.03
5. Step 5: Solve for x
   x = 6,716,015.03/2,872.69
6. Step 6: Final answer
   x = 2,337.88