Finding the Fourth Proportional to 2,393.37, 3,587.90 and 1,236.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.37 : 3,587.90 = 1,236.69 : x
2. Step 2: Convert to fraction form
   2,393.37/3,587.90 = 1,236.69/x
3. Step 3: Cross multiply
   2,393.37x = 3,587.90 × 1,236.69
4. Step 4: Simplify right side
   2,393.37x = 4,437,113.87
5. Step 5: Solve for x
   x = 4,437,113.87/2,393.37
6. Step 6: Final answer
   x = 1,853.92