Finding the Fourth Proportional to 21,095.88, 29,111.94 and 11,665.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,095.88 : 29,111.94 = 11,665.32 : x
2. Step 2: Convert to fraction form
   21,095.88/29,111.94 = 11,665.32/x
3. Step 3: Cross multiply
   21,095.88x = 29,111.94 × 11,665.32
4. Step 4: Simplify right side
   21,095.88x = 339,600,095.92
5. Step 5: Solve for x
   x = 339,600,095.92/21,095.88
6. Step 6: Final answer
   x = 16,097.93