Finding the Fourth Proportional to 2,080.56, 3,118.52 and 926.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.56 : 3,118.52 = 926.16 : x
2. Step 2: Convert to fraction form
   2,080.56/3,118.52 = 926.16/x
3. Step 3: Cross multiply
   2,080.56x = 3,118.52 × 926.16
4. Step 4: Simplify right side
   2,080.56x = 2,888,248.48
5. Step 5: Solve for x
   x = 2,888,248.48/2,080.56
6. Step 6: Final answer
   x = 1,388.21