Finding the Fourth Proportional to 2,111.04, 3,167.04 and 957.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.04 : 3,167.04 = 957.12 : x
2. Step 2: Convert to fraction form
   2,111.04/3,167.04 = 957.12/x
3. Step 3: Cross multiply
   2,111.04x = 3,167.04 × 957.12
4. Step 4: Simplify right side
   2,111.04x = 3,031,237.32
5. Step 5: Solve for x
   x = 3,031,237.32/2,111.04
6. Step 6: Final answer
   x = 1,435.90