Finding the Fourth Proportional to 2,520.33, 3,765.56 and 2,434.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.33 : 3,765.56 = 2,434.20 : x
2. Step 2: Convert to fraction form
   2,520.33/3,765.56 = 2,434.20/x
3. Step 3: Cross multiply
   2,520.33x = 3,765.56 × 2,434.20
4. Step 4: Simplify right side
   2,520.33x = 9,166,126.15
5. Step 5: Solve for x
   x = 9,166,126.15/2,520.33
6. Step 6: Final answer
   x = 3,636.88