Finding the Fourth Proportional to 10,664.82, 14,721.24 and 7,031.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,664.82 : 14,721.24 = 7,031.16 : x
2. Step 2: Convert to fraction form
   10,664.82/14,721.24 = 7,031.16/x
3. Step 3: Cross multiply
   10,664.82x = 14,721.24 × 7,031.16
4. Step 4: Simplify right side
   10,664.82x = 103,507,393.84
5. Step 5: Solve for x
   x = 103,507,393.84/10,664.82
6. Step 6: Final answer
   x = 9,705.50