Finding the Fourth Proportional to 3,852.02, 5,315.83 and 2,279.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,852.02 : 5,315.83 = 2,279.81 : x
2. Step 2: Convert to fraction form
   3,852.02/5,315.83 = 2,279.81/x
3. Step 3: Cross multiply
   3,852.02x = 5,315.83 × 2,279.81
4. Step 4: Simplify right side
   3,852.02x = 12,119,089.98
5. Step 5: Solve for x
   x = 12,119,089.98/3,852.02
6. Step 6: Final answer
   x = 3,146.16