Finding the Fourth Proportional to 2,678.97, 3,697.20 and 1,500.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.97 : 3,697.20 = 1,500.15 : x
2. Step 2: Convert to fraction form
   2,678.97/3,697.20 = 1,500.15/x
3. Step 3: Cross multiply
   2,678.97x = 3,697.20 × 1,500.15
4. Step 4: Simplify right side
   2,678.97x = 5,546,354.58
5. Step 5: Solve for x
   x = 5,546,354.58/2,678.97
6. Step 6: Final answer
   x = 2,070.33