Finding the Fourth Proportional to 2,973.36, 4,103.72 and 2,842.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.36 : 4,103.72 = 2,842.12 : x
2. Step 2: Convert to fraction form
   2,973.36/4,103.72 = 2,842.12/x
3. Step 3: Cross multiply
   2,973.36x = 4,103.72 × 2,842.12
4. Step 4: Simplify right side
   2,973.36x = 11,663,264.69
5. Step 5: Solve for x
   x = 11,663,264.69/2,973.36
6. Step 6: Final answer
   x = 3,922.59