Finding the Fourth Proportional to 10,928, 15,080.64 and 5,960

Step by Step Solution

1. Step 1: Write the proportion equation
   10,928 : 15,080.64 = 5,960 : x
2. Step 2: Convert to fraction form
   10,928/15,080.64 = 5,960/x
3. Step 3: Cross multiply
   10,928x = 15,080.64 × 5,960
4. Step 4: Simplify right side
   10,928x = 89,880,614.40
5. Step 5: Solve for x
   x = 89,880,614.40/10,928
6. Step 6: Final answer
   x = 8,224.80