Finding the Fourth Proportional to 10,273.50, 14,206.59 and 9,809.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,273.50 : 14,206.59 = 9,809.37 : x
2. Step 2: Convert to fraction form
   10,273.50/14,206.59 = 9,809.37/x
3. Step 3: Cross multiply
   10,273.50x = 14,206.59 × 9,809.37
4. Step 4: Simplify right side
   10,273.50x = 139,357,697.75
5. Step 5: Solve for x
   x = 139,357,697.75/10,273.50
6. Step 6: Final answer
   x = 13,564.77