Finding the Fourth Proportional to 2,670.76, 3,686.82 and 1,609

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.76 : 3,686.82 = 1,609 : x
2. Step 2: Convert to fraction form
   2,670.76/3,686.82 = 1,609/x
3. Step 3: Cross multiply
   2,670.76x = 3,686.82 × 1,609
4. Step 4: Simplify right side
   2,670.76x = 5,932,093.38
5. Step 5: Solve for x
   x = 5,932,093.38/2,670.76
6. Step 6: Final answer
   x = 2,221.13