Finding the Fourth Proportional to 2,555.24, 3,830.27 and 1,237.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.24 : 3,830.27 = 1,237.05 : x
2. Step 2: Convert to fraction form
   2,555.24/3,830.27 = 1,237.05/x
3. Step 3: Cross multiply
   2,555.24x = 3,830.27 × 1,237.05
4. Step 4: Simplify right side
   2,555.24x = 4,738,229.32
5. Step 5: Solve for x
   x = 4,738,229.32/2,555.24
6. Step 6: Final answer
   x = 1,854.32