Finding the Fourth Proportional to 2,287.62, 3,428.84 and 1,052.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.62 : 3,428.84 = 1,052.48 : x
2. Step 2: Convert to fraction form
   2,287.62/3,428.84 = 1,052.48/x
3. Step 3: Cross multiply
   2,287.62x = 3,428.84 × 1,052.48
4. Step 4: Simplify right side
   2,287.62x = 3,608,785.52
5. Step 5: Solve for x
   x = 3,608,785.52/2,287.62
6. Step 6: Final answer
   x = 1,577.53