Finding the Fourth Proportional to 10,605.87, 14,636.34 and 5,890.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,605.87 : 14,636.34 = 5,890.41 : x
2. Step 2: Convert to fraction form
   10,605.87/14,636.34 = 5,890.41/x
3. Step 3: Cross multiply
   10,605.87x = 14,636.34 × 5,890.41
4. Step 4: Simplify right side
   10,605.87x = 86,214,043.50
5. Step 5: Solve for x
   x = 86,214,043.50/10,605.87
6. Step 6: Final answer
   x = 8,128.90