Finding the Fourth Proportional to 10,605.75, 14,635.98 and 5,890.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,605.75 : 14,635.98 = 5,890.38 : x
2. Step 2: Convert to fraction form
   10,605.75/14,635.98 = 5,890.38/x
3. Step 3: Cross multiply
   10,605.75x = 14,635.98 × 5,890.38
4. Step 4: Simplify right side
   10,605.75x = 86,211,483.87
5. Step 5: Solve for x
   x = 86,211,483.87/10,605.75
6. Step 6: Final answer
   x = 8,128.75