Finding the Fourth Proportional to 2,558.39, 3,837.24 and 914.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.39 : 3,837.24 = 914.73 : x
2. Step 2: Convert to fraction form
   2,558.39/3,837.24 = 914.73/x
3. Step 3: Cross multiply
   2,558.39x = 3,837.24 × 914.73
4. Step 4: Simplify right side
   2,558.39x = 3,510,038.55
5. Step 5: Solve for x
   x = 3,510,038.55/2,558.39
6. Step 6: Final answer
   x = 1,371.97