Finding the Fourth Proportional to 1,745.58, 2,615.67 and 1,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,745.58 : 2,615.67 = 1,015.50 : x
2. Step 2: Convert to fraction form
   1,745.58/2,615.67 = 1,015.50/x
3. Step 3: Cross multiply
   1,745.58x = 2,615.67 × 1,015.50
4. Step 4: Simplify right side
   1,745.58x = 2,656,212.89
5. Step 5: Solve for x
   x = 2,656,212.89/1,745.58
6. Step 6: Final answer
   x = 1,521.68