Finding the Fourth Proportional to 15,111.14, 22,678.15 and 10,892.36

Step by Step Solution

1. Step 1: Write the proportion equation
   15,111.14 : 22,678.15 = 10,892.36 : x
2. Step 2: Convert to fraction form
   15,111.14/22,678.15 = 10,892.36/x
3. Step 3: Cross multiply
   15,111.14x = 22,678.15 × 10,892.36
4. Step 4: Simplify right side
   15,111.14x = 247,018,433.31
5. Step 5: Solve for x
   x = 247,018,433.31/15,111.14
6. Step 6: Final answer
   x = 16,346.78