Finding the Fourth Proportional to 2,557.28, 3,835.96 and 1,094.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.28 : 3,835.96 = 1,094.96 : x
2. Step 2: Convert to fraction form
   2,557.28/3,835.96 = 1,094.96/x
3. Step 3: Cross multiply
   2,557.28x = 3,835.96 × 1,094.96
4. Step 4: Simplify right side
   2,557.28x = 4,200,222.76
5. Step 5: Solve for x
   x = 4,200,222.76/2,557.28
6. Step 6: Final answer
   x = 1,642.46