Finding the Fourth Proportional to 10,482.05, 15,729.15 and 5,288.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,482.05 : 15,729.15 = 5,288.33 : x
2. Step 2: Convert to fraction form
   10,482.05/15,729.15 = 5,288.33/x
3. Step 3: Cross multiply
   10,482.05x = 15,729.15 × 5,288.33
4. Step 4: Simplify right side
   10,482.05x = 83,180,935.82
5. Step 5: Solve for x
   x = 83,180,935.82/10,482.05
6. Step 6: Final answer
   x = 7,935.56