Finding the Fourth Proportional to 3,535.62, 5,301.40 and 1,069.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535.62 : 5,301.40 = 1,069.71 : x
2. Step 2: Convert to fraction form
   3,535.62/5,301.40 = 1,069.71/x
3. Step 3: Cross multiply
   3,535.62x = 5,301.40 × 1,069.71
4. Step 4: Simplify right side
   3,535.62x = 5,670,960.59
5. Step 5: Solve for x
   x = 5,670,960.59/3,535.62
6. Step 6: Final answer
   x = 1,603.95