Finding the Fourth Proportional to 2,558.82, 3,837.96 and 803.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.82 : 3,837.96 = 803.76 : x
2. Step 2: Convert to fraction form
   2,558.82/3,837.96 = 803.76/x
3. Step 3: Cross multiply
   2,558.82x = 3,837.96 × 803.76
4. Step 4: Simplify right side
   2,558.82x = 3,084,798.73
5. Step 5: Solve for x
   x = 3,084,798.73/2,558.82
6. Step 6: Final answer
   x = 1,205.56