Finding the Fourth Proportional to 1,986.46, 2,741.25 and 1,200.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986.46 : 2,741.25 = 1,200.37 : x
2. Step 2: Convert to fraction form
   1,986.46/2,741.25 = 1,200.37/x
3. Step 3: Cross multiply
   1,986.46x = 2,741.25 × 1,200.37
4. Step 4: Simplify right side
   1,986.46x = 3,290,514.26
5. Step 5: Solve for x
   x = 3,290,514.26/1,986.46
6. Step 6: Final answer
   x = 1,656.47