Finding the Fourth Proportional to 2,846.43, 4,267.78 and 1,284.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.43 : 4,267.78 = 1,284.77 : x
2. Step 2: Convert to fraction form
   2,846.43/4,267.78 = 1,284.77/x
3. Step 3: Cross multiply
   2,846.43x = 4,267.78 × 1,284.77
4. Step 4: Simplify right side
   2,846.43x = 5,483,123.17
5. Step 5: Solve for x
   x = 5,483,123.17/2,846.43
6. Step 6: Final answer
   x = 1,926.32