Finding the Fourth Proportional to 2,180.02, 3,008.92 and 1,284.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.02 : 3,008.92 = 1,284.16 : x
2. Step 2: Convert to fraction form
   2,180.02/3,008.92 = 1,284.16/x
3. Step 3: Cross multiply
   2,180.02x = 3,008.92 × 1,284.16
4. Step 4: Simplify right side
   2,180.02x = 3,863,934.71
5. Step 5: Solve for x
   x = 3,863,934.71/2,180.02
6. Step 6: Final answer
   x = 1,772.43