Finding the Fourth Proportional to 2,679.48, 3,697.67 and 1,500.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,679.48 : 3,697.67 = 1,500.57 : x
2. Step 2: Convert to fraction form
   2,679.48/3,697.67 = 1,500.57/x
3. Step 3: Cross multiply
   2,679.48x = 3,697.67 × 1,500.57
4. Step 4: Simplify right side
   2,679.48x = 5,548,605.17
5. Step 5: Solve for x
   x = 5,548,605.17/2,679.48
6. Step 6: Final answer
   x = 2,070.78