Finding the Fourth Proportional to 2,536.78, 3,808.59 and 1,305.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536.78 : 3,808.59 = 1,305.06 : x
2. Step 2: Convert to fraction form
   2,536.78/3,808.59 = 1,305.06/x
3. Step 3: Cross multiply
   2,536.78x = 3,808.59 × 1,305.06
4. Step 4: Simplify right side
   2,536.78x = 4,970,438.47
5. Step 5: Solve for x
   x = 4,970,438.47/2,536.78
6. Step 6: Final answer
   x = 1,959.35