Finding the Fourth Proportional to 2,503.32, 3,452.82 and 1,620.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.32 : 3,452.82 = 1,620.12 : x
2. Step 2: Convert to fraction form
   2,503.32/3,452.82 = 1,620.12/x
3. Step 3: Cross multiply
   2,503.32x = 3,452.82 × 1,620.12
4. Step 4: Simplify right side
   2,503.32x = 5,593,982.74
5. Step 5: Solve for x
   x = 5,593,982.74/2,503.32
6. Step 6: Final answer
   x = 2,234.63