Finding the Fourth Proportional to 10,729.94, 16,091.91 and 5,980.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,729.94 : 16,091.91 = 5,980.25 : x
2. Step 2: Convert to fraction form
   10,729.94/16,091.91 = 5,980.25/x
3. Step 3: Cross multiply
   10,729.94x = 16,091.91 × 5,980.25
4. Step 4: Simplify right side
   10,729.94x = 96,233,685.01
5. Step 5: Solve for x
   x = 96,233,685.01/10,729.94
6. Step 6: Final answer
   x = 8,968.71