Finding the Fourth Proportional to 2,620.34, 3,616.07 and 1,425.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.34 : 3,616.07 = 1,425.33 : x
2. Step 2: Convert to fraction form
   2,620.34/3,616.07 = 1,425.33/x
3. Step 3: Cross multiply
   2,620.34x = 3,616.07 × 1,425.33
4. Step 4: Simplify right side
   2,620.34x = 5,154,093.05
5. Step 5: Solve for x
   x = 5,154,093.05/2,620.34
6. Step 6: Final answer
   x = 1,966.96