Finding the Fourth Proportional to 3,856.10, 5,321.04 and 2,283.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.10 : 5,321.04 = 2,283.89 : x
2. Step 2: Convert to fraction form
   3,856.10/5,321.04 = 2,283.89/x
3. Step 3: Cross multiply
   3,856.10x = 5,321.04 × 2,283.89
4. Step 4: Simplify right side
   3,856.10x = 12,152,670.05
5. Step 5: Solve for x
   x = 12,152,670.05/3,856.10
6. Step 6: Final answer
   x = 3,151.54