Finding the Fourth Proportional to 2,080.35, 3,120.27 and 1,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.35 : 3,120.27 = 1,300.42 : x
2. Step 2: Convert to fraction form
   2,080.35/3,120.27 = 1,300.42/x
3. Step 3: Cross multiply
   2,080.35x = 3,120.27 × 1,300.42
4. Step 4: Simplify right side
   2,080.35x = 4,057,661.51
5. Step 5: Solve for x
   x = 4,057,661.51/2,080.35
6. Step 6: Final answer
   x = 1,950.47