Finding the Fourth Proportional to 2,005.34, 2,767.01 and 1,121.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.34 : 2,767.01 = 1,121.15 : x
2. Step 2: Convert to fraction form
   2,005.34/2,767.01 = 1,121.15/x
3. Step 3: Cross multiply
   2,005.34x = 2,767.01 × 1,121.15
4. Step 4: Simplify right side
   2,005.34x = 3,102,213.82
5. Step 5: Solve for x
   x = 3,102,213.82/2,005.34
6. Step 6: Final answer
   x = 1,546.98