Finding the Fourth Proportional to 10,243.50, 14,131.86 and 7,561.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243.50 : 14,131.86 = 7,561.14 : x
2. Step 2: Convert to fraction form
   10,243.50/14,131.86 = 7,561.14/x
3. Step 3: Cross multiply
   10,243.50x = 14,131.86 × 7,561.14
4. Step 4: Simplify right side
   10,243.50x = 106,852,971.92
5. Step 5: Solve for x
   x = 106,852,971.92/10,243.50
6. Step 6: Final answer
   x = 10,431.30