Finding the Fourth Proportional to 10,959.00, 16,429.28 and 4,381.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,959.00 : 16,429.28 = 4,381.59 : x
2. Step 2: Convert to fraction form
   10,959.00/16,429.28 = 4,381.59/x
3. Step 3: Cross multiply
   10,959.00x = 16,429.28 × 4,381.59
4. Step 4: Simplify right side
   10,959.00x = 71,986,408.66
5. Step 5: Solve for x
   x = 71,986,408.66/10,959.00
6. Step 6: Final answer
   x = 6,568.70