Finding the Fourth Proportional to 2,904.28, 4,356.43 and 1,171.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.28 : 4,356.43 = 1,171.69 : x
2. Step 2: Convert to fraction form
   2,904.28/4,356.43 = 1,171.69/x
3. Step 3: Cross multiply
   2,904.28x = 4,356.43 × 1,171.69
4. Step 4: Simplify right side
   2,904.28x = 5,104,371.65
5. Step 5: Solve for x
   x = 5,104,371.65/2,904.28
6. Step 6: Final answer
   x = 1,757.54