Finding the Fourth Proportional to 2,858.46, 4,284.96 and 1,396.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,858.46 : 4,284.96 = 1,396.82 : x
2. Step 2: Convert to fraction form
   2,858.46/4,284.96 = 1,396.82/x
3. Step 3: Cross multiply
   2,858.46x = 4,284.96 × 1,396.82
4. Step 4: Simplify right side
   2,858.46x = 5,985,317.83
5. Step 5: Solve for x
   x = 5,985,317.83/2,858.46
6. Step 6: Final answer
   x = 2,093.90