Finding the Fourth Proportional to 2,284.44, 3,152.76 and 1,289.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.44 : 3,152.76 = 1,289.82 : x
2. Step 2: Convert to fraction form
   2,284.44/3,152.76 = 1,289.82/x
3. Step 3: Cross multiply
   2,284.44x = 3,152.76 × 1,289.82
4. Step 4: Simplify right side
   2,284.44x = 4,066,492.90
5. Step 5: Solve for x
   x = 4,066,492.90/2,284.44
6. Step 6: Final answer
   x = 1,780.08