Finding the Fourth Proportional to 2,558.32, 3,836.82 and 914.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.32 : 3,836.82 = 914.68 : x
2. Step 2: Convert to fraction form
   2,558.32/3,836.82 = 914.68/x
3. Step 3: Cross multiply
   2,558.32x = 3,836.82 × 914.68
4. Step 4: Simplify right side
   2,558.32x = 3,509,462.52
5. Step 5: Solve for x
   x = 3,509,462.52/2,558.32
6. Step 6: Final answer
   x = 1,371.78