Finding the Fourth Proportional to 2,345.41, 3,236.72 and 1,283.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.41 : 3,236.72 = 1,283.28 : x
2. Step 2: Convert to fraction form
   2,345.41/3,236.72 = 1,283.28/x
3. Step 3: Cross multiply
   2,345.41x = 3,236.72 × 1,283.28
4. Step 4: Simplify right side
   2,345.41x = 4,153,618.04
5. Step 5: Solve for x
   x = 4,153,618.04/2,345.41
6. Step 6: Final answer
   x = 1,770.96