Finding the Fourth Proportional to 10,164.16, 14,026.76 and 7,185.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,164.16 : 14,026.76 = 7,185.24 : x
2. Step 2: Convert to fraction form
   10,164.16/14,026.76 = 7,185.24/x
3. Step 3: Cross multiply
   10,164.16x = 14,026.76 × 7,185.24
4. Step 4: Simplify right side
   10,164.16x = 100,785,637.02
5. Step 5: Solve for x
   x = 100,785,637.02/10,164.16
6. Step 6: Final answer
   x = 9,915.79