Finding the Fourth Proportional to 2,745.51, 4,115.40 and 1,357.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,745.51 : 4,115.40 = 1,357.98 : x
2. Step 2: Convert to fraction form
   2,745.51/4,115.40 = 1,357.98/x
3. Step 3: Cross multiply
   2,745.51x = 4,115.40 × 1,357.98
4. Step 4: Simplify right side
   2,745.51x = 5,588,630.89
5. Step 5: Solve for x
   x = 5,588,630.89/2,745.51
6. Step 6: Final answer
   x = 2,035.55