Finding the Fourth Proportional to 2,620.39, 3,615.11 and 1,500.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.39 : 3,615.11 = 1,500.73 : x
2. Step 2: Convert to fraction form
   2,620.39/3,615.11 = 1,500.73/x
3. Step 3: Cross multiply
   2,620.39x = 3,615.11 × 1,500.73
4. Step 4: Simplify right side
   2,620.39x = 5,425,304.03
5. Step 5: Solve for x
   x = 5,425,304.03/2,620.39
6. Step 6: Final answer
   x = 2,070.42