Finding the Fourth Proportional to 3,506.52, 5,259.72 and 909.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,506.52 : 5,259.72 = 909.42 : x
2. Step 2: Convert to fraction form
   3,506.52/5,259.72 = 909.42/x
3. Step 3: Cross multiply
   3,506.52x = 5,259.72 × 909.42
4. Step 4: Simplify right side
   3,506.52x = 4,783,294.56
5. Step 5: Solve for x
   x = 4,783,294.56/3,506.52
6. Step 6: Final answer
   x = 1,364.11