Finding the Fourth Proportional to 2,933.31, 4,396.86 and 1,057.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.31 : 4,396.86 = 1,057.95 : x
2. Step 2: Convert to fraction form
   2,933.31/4,396.86 = 1,057.95/x
3. Step 3: Cross multiply
   2,933.31x = 4,396.86 × 1,057.95
4. Step 4: Simplify right side
   2,933.31x = 4,651,658.04
5. Step 5: Solve for x
   x = 4,651,658.04/2,933.31
6. Step 6: Final answer
   x = 1,585.81