Finding the Fourth Proportional to 2,045.06, 3,066.17 and 1,121.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.06 : 3,066.17 = 1,121.06 : x
2. Step 2: Convert to fraction form
   2,045.06/3,066.17 = 1,121.06/x
3. Step 3: Cross multiply
   2,045.06x = 3,066.17 × 1,121.06
4. Step 4: Simplify right side
   2,045.06x = 3,437,360.54
5. Step 5: Solve for x
   x = 3,437,360.54/2,045.06
6. Step 6: Final answer
   x = 1,680.81