Finding the Fourth Proportional to 16,846.25, 23,243.15 and 10,878.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,846.25 : 23,243.15 = 10,878.17 : x
2. Step 2: Convert to fraction form
   16,846.25/23,243.15 = 10,878.17/x
3. Step 3: Cross multiply
   16,846.25x = 23,243.15 × 10,878.17
4. Step 4: Simplify right side
   16,846.25x = 252,842,848.02
5. Step 5: Solve for x
   x = 252,842,848.02/16,846.25
6. Step 6: Final answer
   x = 15,008.85