Finding the Fourth Proportional to 11,616.31, 17,336.67 and 10,495.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,616.31 : 17,336.67 = 10,495.30 : x
2. Step 2: Convert to fraction form
   11,616.31/17,336.67 = 10,495.30/x
3. Step 3: Cross multiply
   11,616.31x = 17,336.67 × 10,495.30
4. Step 4: Simplify right side
   11,616.31x = 181,953,552.65
5. Step 5: Solve for x
   x = 181,953,552.65/11,616.31
6. Step 6: Final answer
   x = 15,663.63