Finding the Fourth Proportional to 11,642.56, 17,379.31 and 10,775.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,642.56 : 17,379.31 = 10,775.23 : x
2. Step 2: Convert to fraction form
   11,642.56/17,379.31 = 10,775.23/x
3. Step 3: Cross multiply
   11,642.56x = 17,379.31 × 10,775.23
4. Step 4: Simplify right side
   11,642.56x = 187,266,032.51
5. Step 5: Solve for x
   x = 187,266,032.51/11,642.56
6. Step 6: Final answer
   x = 16,084.61