Finding the Fourth Proportional to 2,015.61, 3,018.54 and 1,743.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.61 : 3,018.54 = 1,743.45 : x
2. Step 2: Convert to fraction form
   2,015.61/3,018.54 = 1,743.45/x
3. Step 3: Cross multiply
   2,015.61x = 3,018.54 × 1,743.45
4. Step 4: Simplify right side
   2,015.61x = 5,262,673.56
5. Step 5: Solve for x
   x = 5,262,673.56/2,015.61
6. Step 6: Final answer
   x = 2,610.96