Finding the Fourth Proportional to 2,005.52, 2,767.61 and 1,121.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.52 : 2,767.61 = 1,121.32 : x
2. Step 2: Convert to fraction form
   2,005.52/2,767.61 = 1,121.32/x
3. Step 3: Cross multiply
   2,005.52x = 2,767.61 × 1,121.32
4. Step 4: Simplify right side
   2,005.52x = 3,103,376.45
5. Step 5: Solve for x
   x = 3,103,376.45/2,005.52
6. Step 6: Final answer
   x = 1,547.42