Finding the Fourth Proportional to 2,848.06, 3,929.39 and 1,786.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.06 : 3,929.39 = 1,786.76 : x
2. Step 2: Convert to fraction form
   2,848.06/3,929.39 = 1,786.76/x
3. Step 3: Cross multiply
   2,848.06x = 3,929.39 × 1,786.76
4. Step 4: Simplify right side
   2,848.06x = 7,020,857.23
5. Step 5: Solve for x
   x = 7,020,857.23/2,848.06
6. Step 6: Final answer
   x = 2,465.14