Finding the Fourth Proportional to 2,345.56, 3,236.83 and 1,283.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.56 : 3,236.83 = 1,283.31 : x
2. Step 2: Convert to fraction form
   2,345.56/3,236.83 = 1,283.31/x
3. Step 3: Cross multiply
   2,345.56x = 3,236.83 × 1,283.31
4. Step 4: Simplify right side
   2,345.56x = 4,153,853.10
5. Step 5: Solve for x
   x = 4,153,853.10/2,345.56
6. Step 6: Final answer
   x = 1,770.94