Finding the Fourth Proportional to 2,102.82, 3,149.97 and 1,061.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.82 : 3,149.97 = 1,061.37 : x
2. Step 2: Convert to fraction form
   2,102.82/3,149.97 = 1,061.37/x
3. Step 3: Cross multiply
   2,102.82x = 3,149.97 × 1,061.37
4. Step 4: Simplify right side
   2,102.82x = 3,343,283.66
5. Step 5: Solve for x
   x = 3,343,283.66/2,102.82
6. Step 6: Final answer
   x = 1,589.90