Finding the Fourth Proportional to 7,360.36, 10,980.25 and 7,159.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,360.36 : 10,980.25 = 7,159.48 : x
2. Step 2: Convert to fraction form
   7,360.36/10,980.25 = 7,159.48/x
3. Step 3: Cross multiply
   7,360.36x = 10,980.25 × 7,159.48
4. Step 4: Simplify right side
   7,360.36x = 78,612,880.27
5. Step 5: Solve for x
   x = 78,612,880.27/7,360.36
6. Step 6: Final answer
   x = 10,680.58