Finding the Fourth Proportional to 3,532.50, 5,298.57 and 1,067.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,532.50 : 5,298.57 = 1,067.31 : x
2. Step 2: Convert to fraction form
   3,532.50/5,298.57 = 1,067.31/x
3. Step 3: Cross multiply
   3,532.50x = 5,298.57 × 1,067.31
4. Step 4: Simplify right side
   3,532.50x = 5,655,216.75
5. Step 5: Solve for x
   x = 5,655,216.75/3,532.50
6. Step 6: Final answer
   x = 1,600.91