Finding the Fourth Proportional to 2,080.96, 3,123.33 and 1,107.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.96 : 3,123.33 = 1,107.88 : x
2. Step 2: Convert to fraction form
   2,080.96/3,123.33 = 1,107.88/x
3. Step 3: Cross multiply
   2,080.96x = 3,123.33 × 1,107.88
4. Step 4: Simplify right side
   2,080.96x = 3,460,274.84
5. Step 5: Solve for x
   x = 3,460,274.84/2,080.96
6. Step 6: Final answer
   x = 1,662.83