Finding the Fourth Proportional to 10,850.02, 16,258.28 and 7,326.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,850.02 : 16,258.28 = 7,326.21 : x
2. Step 2: Convert to fraction form
   10,850.02/16,258.28 = 7,326.21/x
3. Step 3: Cross multiply
   10,850.02x = 16,258.28 × 7,326.21
4. Step 4: Simplify right side
   10,850.02x = 119,111,625.33
5. Step 5: Solve for x
   x = 119,111,625.33/10,850.02
6. Step 6: Final answer
   x = 10,978.01