Finding the Fourth Proportional to 3,557.38, 5,336.90 and 1,092.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557.38 : 5,336.90 = 1,092.56 : x
2. Step 2: Convert to fraction form
   3,557.38/5,336.90 = 1,092.56/x
3. Step 3: Cross multiply
   3,557.38x = 5,336.90 × 1,092.56
4. Step 4: Simplify right side
   3,557.38x = 5,830,883.46
5. Step 5: Solve for x
   x = 5,830,883.46/3,557.38
6. Step 6: Final answer
   x = 1,639.09