Finding the Fourth Proportional to 2,236.60, 3,086.56 and 1,352.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.60 : 3,086.56 = 1,352.24 : x
2. Step 2: Convert to fraction form
   2,236.60/3,086.56 = 1,352.24/x
3. Step 3: Cross multiply
   2,236.60x = 3,086.56 × 1,352.24
4. Step 4: Simplify right side
   2,236.60x = 4,173,769.89
5. Step 5: Solve for x
   x = 4,173,769.89/2,236.60
6. Step 6: Final answer
   x = 1,866.12