Finding the Fourth Proportional to 9,404.71, 14,117.29 and 7,071.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.71 : 14,117.29 = 7,071.40 : x
2. Step 2: Convert to fraction form
   9,404.71/14,117.29 = 7,071.40/x
3. Step 3: Cross multiply
   9,404.71x = 14,117.29 × 7,071.40
4. Step 4: Simplify right side
   9,404.71x = 99,829,004.47
5. Step 5: Solve for x
   x = 99,829,004.47/9,404.71
6. Step 6: Final answer
   x = 10,614.79