Finding the Fourth Proportional to 2,080.32, 3,119.60 and 925.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.32 : 3,119.60 = 925.26 : x
2. Step 2: Convert to fraction form
   2,080.32/3,119.60 = 925.26/x
3. Step 3: Cross multiply
   2,080.32x = 3,119.60 × 925.26
4. Step 4: Simplify right side
   2,080.32x = 2,886,441.10
5. Step 5: Solve for x
   x = 2,886,441.10/2,080.32
6. Step 6: Final answer
   x = 1,387.50