Finding the Fourth Proportional to 2,536.22, 3,804.78 and 893.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536.22 : 3,804.78 = 893.72 : x
2. Step 2: Convert to fraction form
   2,536.22/3,804.78 = 893.72/x
3. Step 3: Cross multiply
   2,536.22x = 3,804.78 × 893.72
4. Step 4: Simplify right side
   2,536.22x = 3,400,407.98
5. Step 5: Solve for x
   x = 3,400,407.98/2,536.22
6. Step 6: Final answer
   x = 1,340.74