Finding the Fourth Proportional to 1,986.82, 2,741.90 and 1,102.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986.82 : 2,741.90 = 1,102.62 : x
2. Step 2: Convert to fraction form
   1,986.82/2,741.90 = 1,102.62/x
3. Step 3: Cross multiply
   1,986.82x = 2,741.90 × 1,102.62
4. Step 4: Simplify right side
   1,986.82x = 3,023,273.78
5. Step 5: Solve for x
   x = 3,023,273.78/1,986.82
6. Step 6: Final answer
   x = 1,521.66