Finding the Fourth Proportional to 1,889.15, 2,608.07 and 1,445.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.15 : 2,608.07 = 1,445.67 : x
2. Step 2: Convert to fraction form
   1,889.15/2,608.07 = 1,445.67/x
3. Step 3: Cross multiply
   1,889.15x = 2,608.07 × 1,445.67
4. Step 4: Simplify right side
   1,889.15x = 3,770,401.33
5. Step 5: Solve for x
   x = 3,770,401.33/1,889.15
6. Step 6: Final answer
   x = 1,995.82