Finding the Fourth Proportional to 3,469.15, 5,205.48 and 1,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,469.15 : 5,205.48 = 1,522.72 : x
2. Step 2: Convert to fraction form
   3,469.15/5,205.48 = 1,522.72/x
3. Step 3: Cross multiply
   3,469.15x = 5,205.48 × 1,522.72
4. Step 4: Simplify right side
   3,469.15x = 7,926,488.51
5. Step 5: Solve for x
   x = 7,926,488.51/3,469.15
6. Step 6: Final answer
   x = 2,284.85