Finding the Fourth Proportional to 10,864.56, 16,293.60 and 3,071.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.56 : 16,293.60 = 3,071.28 : x
2. Step 2: Convert to fraction form
   10,864.56/16,293.60 = 3,071.28/x
3. Step 3: Cross multiply
   10,864.56x = 16,293.60 × 3,071.28
4. Step 4: Simplify right side
   10,864.56x = 50,042,207.81
5. Step 5: Solve for x
   x = 50,042,207.81/10,864.56
6. Step 6: Final answer
   x = 4,606.00