Finding the Fourth Proportional to 3,554.52, 5,332.55 and 1,089.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554.52 : 5,332.55 = 1,089.52 : x
2. Step 2: Convert to fraction form
   3,554.52/5,332.55 = 1,089.52/x
3. Step 3: Cross multiply
   3,554.52x = 5,332.55 × 1,089.52
4. Step 4: Simplify right side
   3,554.52x = 5,809,922.60
5. Step 5: Solve for x
   x = 5,809,922.60/3,554.52
6. Step 6: Final answer
   x = 1,634.52