Finding the Fourth Proportional to 2,106.04, 2,905.94 and 1,321.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.04 : 2,905.94 = 1,321.16 : x
2. Step 2: Convert to fraction form
   2,106.04/2,905.94 = 1,321.16/x
3. Step 3: Cross multiply
   2,106.04x = 2,905.94 × 1,321.16
4. Step 4: Simplify right side
   2,106.04x = 3,839,211.69
5. Step 5: Solve for x
   x = 3,839,211.69/2,106.04
6. Step 6: Final answer
   x = 1,822.95