Finding the Fourth Proportional to 3,861.31, 5,777.61 and 2,302.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,861.31 : 5,777.61 = 2,302.16 : x
2. Step 2: Convert to fraction form
   3,861.31/5,777.61 = 2,302.16/x
3. Step 3: Cross multiply
   3,861.31x = 5,777.61 × 2,302.16
4. Step 4: Simplify right side
   3,861.31x = 13,300,982.64
5. Step 5: Solve for x
   x = 13,300,982.64/3,861.31
6. Step 6: Final answer
   x = 3,444.68