Finding the Fourth Proportional to 16,843.02, 23,238.54 and 10,878.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,843.02 : 23,238.54 = 10,878.18 : x
2. Step 2: Convert to fraction form
   16,843.02/23,238.54 = 10,878.18/x
3. Step 3: Cross multiply
   16,843.02x = 23,238.54 × 10,878.18
4. Step 4: Simplify right side
   16,843.02x = 252,793,021.06
5. Step 5: Solve for x
   x = 252,793,021.06/16,843.02
6. Step 6: Final answer
   x = 15,008.77