Finding the Fourth Proportional to 10,958.01, 16,434.45 and 4,382.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,958.01 : 16,434.45 = 4,382.43 : x
2. Step 2: Convert to fraction form
   10,958.01/16,434.45 = 4,382.43/x
3. Step 3: Cross multiply
   10,958.01x = 16,434.45 × 4,382.43
4. Step 4: Simplify right side
   10,958.01x = 72,022,826.71
5. Step 5: Solve for x
   x = 72,022,826.71/10,958.01
6. Step 6: Final answer
   x = 6,572.62