Finding the Fourth Proportional to 2,080.10, 3,115.35 and 1,036.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.10 : 3,115.35 = 1,036.86 : x
2. Step 2: Convert to fraction form
   2,080.10/3,115.35 = 1,036.86/x
3. Step 3: Cross multiply
   2,080.10x = 3,115.35 × 1,036.86
4. Step 4: Simplify right side
   2,080.10x = 3,230,181.80
5. Step 5: Solve for x
   x = 3,230,181.80/2,080.10
6. Step 6: Final answer
   x = 1,552.90