Finding the Fourth Proportional to 2,188.28, 3,015.09 and 1,745.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.28 : 3,015.09 = 1,745.42 : x
2. Step 2: Convert to fraction form
   2,188.28/3,015.09 = 1,745.42/x
3. Step 3: Cross multiply
   2,188.28x = 3,015.09 × 1,745.42
4. Step 4: Simplify right side
   2,188.28x = 5,262,583.31
5. Step 5: Solve for x
   x = 5,262,583.31/2,188.28
6. Step 6: Final answer
   x = 2,404.89