Finding the Fourth Proportional to 11,615.49, 16,042.59 and 7,832.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,615.49 : 16,042.59 = 7,832.16 : x
2. Step 2: Convert to fraction form
   11,615.49/16,042.59 = 7,832.16/x
3. Step 3: Cross multiply
   11,615.49x = 16,042.59 × 7,832.16
4. Step 4: Simplify right side
   11,615.49x = 125,648,131.69
5. Step 5: Solve for x
   x = 125,648,131.69/11,615.49
6. Step 6: Final answer
   x = 10,817.29