Finding the Fourth Proportional to 2,680.46, 3,699.20 and 1,501.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.46 : 3,699.20 = 1,501.60 : x
2. Step 2: Convert to fraction form
   2,680.46/3,699.20 = 1,501.60/x
3. Step 3: Cross multiply
   2,680.46x = 3,699.20 × 1,501.60
4. Step 4: Simplify right side
   2,680.46x = 5,554,692.72
5. Step 5: Solve for x
   x = 5,554,692.72/2,680.46
6. Step 6: Final answer
   x = 2,072.29