Finding the Fourth Proportional to 10,794.06, 16,184.61 and 7,320.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,794.06 : 16,184.61 = 7,320.78 : x
2. Step 2: Convert to fraction form
   10,794.06/16,184.61 = 7,320.78/x
3. Step 3: Cross multiply
   10,794.06x = 16,184.61 × 7,320.78
4. Step 4: Simplify right side
   10,794.06x = 118,483,969.20
5. Step 5: Solve for x
   x = 118,483,969.20/10,794.06
6. Step 6: Final answer
   x = 10,976.78