Finding the Fourth Proportional to 3,820.37, 5,272.56 and 2,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.37 : 5,272.56 = 2,328.50 : x
2. Step 2: Convert to fraction form
   3,820.37/5,272.56 = 2,328.50/x
3. Step 3: Cross multiply
   3,820.37x = 5,272.56 × 2,328.50
4. Step 4: Simplify right side
   3,820.37x = 12,277,129.60
5. Step 5: Solve for x
   x = 12,277,129.60/3,820.37
6. Step 6: Final answer
   x = 3,213.60