Finding the Fourth Proportional to 3,852.72, 5,314.86 and 2,280.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,852.72 : 5,314.86 = 2,280.06 : x
2. Step 2: Convert to fraction form
   3,852.72/5,314.86 = 2,280.06/x
3. Step 3: Cross multiply
   3,852.72x = 5,314.86 × 2,280.06
4. Step 4: Simplify right side
   3,852.72x = 12,118,199.69
5. Step 5: Solve for x
   x = 12,118,199.69/3,852.72
6. Step 6: Final answer
   x = 3,145.36