Finding the Fourth Proportional to 3,185.76, 4,776.82 and 1,235.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,185.76 : 4,776.82 = 1,235.69 : x
2. Step 2: Convert to fraction form
   3,185.76/4,776.82 = 1,235.69/x
3. Step 3: Cross multiply
   3,185.76x = 4,776.82 × 1,235.69
4. Step 4: Simplify right side
   3,185.76x = 5,902,638.64
5. Step 5: Solve for x
   x = 5,902,638.64/3,185.76
6. Step 6: Final answer
   x = 1,852.82