Finding the Fourth Proportional to 10,606.28, 14,636.46 and 5,890.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,606.28 : 14,636.46 = 5,890.48 : x
2. Step 2: Convert to fraction form
   10,606.28/14,636.46 = 5,890.48/x
3. Step 3: Cross multiply
   10,606.28x = 14,636.46 × 5,890.48
4. Step 4: Simplify right side
   10,606.28x = 86,215,774.90
5. Step 5: Solve for x
   x = 86,215,774.90/10,606.28
6. Step 6: Final answer
   x = 8,128.75