Finding the Fourth Proportional to 2,181.15, 3,270.59 and 1,070.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.15 : 3,270.59 = 1,070.08 : x
2. Step 2: Convert to fraction form
   2,181.15/3,270.59 = 1,070.08/x
3. Step 3: Cross multiply
   2,181.15x = 3,270.59 × 1,070.08
4. Step 4: Simplify right side
   2,181.15x = 3,499,786.66
5. Step 5: Solve for x
   x = 3,499,786.66/2,181.15
6. Step 6: Final answer
   x = 1,604.56