Finding the Fourth Proportional to 10,459.78, 14,435.64 and 5,983.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,459.78 : 14,435.64 = 5,983.94 : x
2. Step 2: Convert to fraction form
   10,459.78/14,435.64 = 5,983.94/x
3. Step 3: Cross multiply
   10,459.78x = 14,435.64 × 5,983.94
4. Step 4: Simplify right side
   10,459.78x = 86,382,003.62
5. Step 5: Solve for x
   x = 86,382,003.62/10,459.78
6. Step 6: Final answer
   x = 8,258.49