Finding the Fourth Proportional to 2,669.72, 3,684.18 and 1,490.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.72 : 3,684.18 = 1,490.80 : x
2. Step 2: Convert to fraction form
   2,669.72/3,684.18 = 1,490.80/x
3. Step 3: Cross multiply
   2,669.72x = 3,684.18 × 1,490.80
4. Step 4: Simplify right side
   2,669.72x = 5,492,375.54
5. Step 5: Solve for x
   x = 5,492,375.54/2,669.72
6. Step 6: Final answer
   x = 2,057.29