Finding the Fourth Proportional to 1,745.77, 2,616.34 and 1,281.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,745.77 : 2,616.34 = 1,281.37 : x
2. Step 2: Convert to fraction form
   1,745.77/2,616.34 = 1,281.37/x
3. Step 3: Cross multiply
   1,745.77x = 2,616.34 × 1,281.37
4. Step 4: Simplify right side
   1,745.77x = 3,352,499.59
5. Step 5: Solve for x
   x = 3,352,499.59/1,745.77
6. Step 6: Final answer
   x = 1,920.36