Finding the Fourth Proportional to 2,825.12, 4,238.76 and 1,093.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.12 : 4,238.76 = 1,093.52 : x
2. Step 2: Convert to fraction form
   2,825.12/4,238.76 = 1,093.52/x
3. Step 3: Cross multiply
   2,825.12x = 4,238.76 × 1,093.52
4. Step 4: Simplify right side
   2,825.12x = 4,635,168.84
5. Step 5: Solve for x
   x = 4,635,168.84/2,825.12
6. Step 6: Final answer
   x = 1,640.70