Finding the Fourth Proportional to 2,284.38, 3,426.56 and 1,189.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.38 : 3,426.56 = 1,189.06 : x
2. Step 2: Convert to fraction form
   2,284.38/3,426.56 = 1,189.06/x
3. Step 3: Cross multiply
   2,284.38x = 3,426.56 × 1,189.06
4. Step 4: Simplify right side
   2,284.38x = 4,074,385.43
5. Step 5: Solve for x
   x = 4,074,385.43/2,284.38
6. Step 6: Final answer
   x = 1,783.58