Finding the Fourth Proportional to 2,558.00, 3,835.71 and 914.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.00 : 3,835.71 = 914.28 : x
2. Step 2: Convert to fraction form
   2,558.00/3,835.71 = 914.28/x
3. Step 3: Cross multiply
   2,558.00x = 3,835.71 × 914.28
4. Step 4: Simplify right side
   2,558.00x = 3,506,912.94
5. Step 5: Solve for x
   x = 3,506,912.94/2,558.00
6. Step 6: Final answer
   x = 1,370.96