Finding the Fourth Proportional to 3,558.50, 5,338.43 and 1,092.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.50 : 5,338.43 = 1,092.88 : x
2. Step 2: Convert to fraction form
   3,558.50/5,338.43 = 1,092.88/x
3. Step 3: Cross multiply
   3,558.50x = 5,338.43 × 1,092.88
4. Step 4: Simplify right side
   3,558.50x = 5,834,263.38
5. Step 5: Solve for x
   x = 5,834,263.38/3,558.50
6. Step 6: Final answer
   x = 1,639.53