Finding the Fourth Proportional to 10,873.05, 16,307.06 and 5,320.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,873.05 : 16,307.06 = 5,320.82 : x
2. Step 2: Convert to fraction form
   10,873.05/16,307.06 = 5,320.82/x
3. Step 3: Cross multiply
   10,873.05x = 16,307.06 × 5,320.82
4. Step 4: Simplify right side
   10,873.05x = 86,766,822.85
5. Step 5: Solve for x
   x = 86,766,822.85/10,873.05
6. Step 6: Final answer
   x = 7,979.99