Finding the Fourth Proportional to 2,345.37, 3,236.61 and 1,283.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.37 : 3,236.61 = 1,283.15 : x
2. Step 2: Convert to fraction form
   2,345.37/3,236.61 = 1,283.15/x
3. Step 3: Cross multiply
   2,345.37x = 3,236.61 × 1,283.15
4. Step 4: Simplify right side
   2,345.37x = 4,153,039.94
5. Step 5: Solve for x
   x = 4,153,039.94/2,345.37
6. Step 6: Final answer
   x = 1,770.74