Finding the Fourth Proportional to 2,145.50, 2,960.48 and 1,201.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145.50 : 2,960.48 = 1,201.34 : x
2. Step 2: Convert to fraction form
   2,145.50/2,960.48 = 1,201.34/x
3. Step 3: Cross multiply
   2,145.50x = 2,960.48 × 1,201.34
4. Step 4: Simplify right side
   2,145.50x = 3,556,543.04
5. Step 5: Solve for x
   x = 3,556,543.04/2,145.50
6. Step 6: Final answer
   x = 1,657.68