Finding the Fourth Proportional to 2,786.02, 3,848.72 and 2,225.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.02 : 3,848.72 = 2,225.76 : x
2. Step 2: Convert to fraction form
   2,786.02/3,848.72 = 2,225.76/x
3. Step 3: Cross multiply
   2,786.02x = 3,848.72 × 2,225.76
4. Step 4: Simplify right side
   2,786.02x = 8,566,327.03
5. Step 5: Solve for x
   x = 8,566,327.03/2,786.02
6. Step 6: Final answer
   x = 3,074.75