Finding the Fourth Proportional to 2,063.38, 2,847.36 and 1,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.38 : 2,847.36 = 1,131.88 : x
2. Step 2: Convert to fraction form
   2,063.38/2,847.36 = 1,131.88/x
3. Step 3: Cross multiply
   2,063.38x = 2,847.36 × 1,131.88
4. Step 4: Simplify right side
   2,063.38x = 3,222,869.84
5. Step 5: Solve for x
   x = 3,222,869.84/2,063.38
6. Step 6: Final answer
   x = 1,561.94