Finding the Fourth Proportional to 2,005.32, 2,767.38 and 1,121.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.32 : 2,767.38 = 1,121.10 : x
2. Step 2: Convert to fraction form
   2,005.32/2,767.38 = 1,121.10/x
3. Step 3: Cross multiply
   2,005.32x = 2,767.38 × 1,121.10
4. Step 4: Simplify right side
   2,005.32x = 3,102,509.72
5. Step 5: Solve for x
   x = 3,102,509.72/2,005.32
6. Step 6: Final answer
   x = 1,547.14