Finding the Fourth Proportional to 10,189.75, 14,085.39 and 8,501.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189.75 : 14,085.39 = 8,501.31 : x
2. Step 2: Convert to fraction form
   10,189.75/14,085.39 = 8,501.31/x
3. Step 3: Cross multiply
   10,189.75x = 14,085.39 × 8,501.31
4. Step 4: Simplify right side
   10,189.75x = 119,744,266.86
5. Step 5: Solve for x
   x = 119,744,266.86/10,189.75
6. Step 6: Final answer
   x = 11,751.44