Finding the Fourth Proportional to 2,179.14, 3,268.71 and 535.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.14 : 3,268.71 = 535.71 : x
2. Step 2: Convert to fraction form
   2,179.14/3,268.71 = 535.71/x
3. Step 3: Cross multiply
   2,179.14x = 3,268.71 × 535.71
4. Step 4: Simplify right side
   2,179.14x = 1,751,066.82
5. Step 5: Solve for x
   x = 1,751,066.82/2,179.14
6. Step 6: Final answer
   x = 803.56