Finding the Fourth Proportional to 9,664.51, 14,502.34 and 5,222.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,664.51 : 14,502.34 = 5,222.18 : x
2. Step 2: Convert to fraction form
   9,664.51/14,502.34 = 5,222.18/x
3. Step 3: Cross multiply
   9,664.51x = 14,502.34 × 5,222.18
4. Step 4: Simplify right side
   9,664.51x = 75,733,829.90
5. Step 5: Solve for x
   x = 75,733,829.90/9,664.51
6. Step 6: Final answer
   x = 7,836.28