Finding the Fourth Proportional to 10,825.31, 14,938.59 and 6,109.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,825.31 : 14,938.59 = 6,109.49 : x
2. Step 2: Convert to fraction form
   10,825.31/14,938.59 = 6,109.49/x
3. Step 3: Cross multiply
   10,825.31x = 14,938.59 × 6,109.49
4. Step 4: Simplify right side
   10,825.31x = 91,267,166.22
5. Step 5: Solve for x
   x = 91,267,166.22/10,825.31
6. Step 6: Final answer
   x = 8,430.91