Finding the Fourth Proportional to 2,180.89, 3,010.02 and 1,284.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.89 : 3,010.02 = 1,284.68 : x
2. Step 2: Convert to fraction form
   2,180.89/3,010.02 = 1,284.68/x
3. Step 3: Cross multiply
   2,180.89x = 3,010.02 × 1,284.68
4. Step 4: Simplify right side
   2,180.89x = 3,866,909.28
5. Step 5: Solve for x
   x = 3,866,909.28/2,180.89
6. Step 6: Final answer
   x = 1,773.09