Finding the Fourth Proportional to 3,524.50, 5,286.55 and 1,059.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,524.50 : 5,286.55 = 1,059.27 : x
2. Step 2: Convert to fraction form
   3,524.50/5,286.55 = 1,059.27/x
3. Step 3: Cross multiply
   3,524.50x = 5,286.55 × 1,059.27
4. Step 4: Simplify right side
   3,524.50x = 5,599,883.82
5. Step 5: Solve for x
   x = 5,599,883.82/3,524.50
6. Step 6: Final answer
   x = 1,588.84