Finding the Fourth Proportional to 12,735.30, 17,576.81 and 7,071.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735.30 : 17,576.81 = 7,071.86 : x
2. Step 2: Convert to fraction form
   12,735.30/17,576.81 = 7,071.86/x
3. Step 3: Cross multiply
   12,735.30x = 17,576.81 × 7,071.86
4. Step 4: Simplify right side
   12,735.30x = 124,300,616.32
5. Step 5: Solve for x
   x = 124,300,616.32/12,735.30
6. Step 6: Final answer
   x = 9,760.32