Finding the Fourth Proportional to 16,818.71, 23,209.18 and 10,108.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,818.71 : 23,209.18 = 10,108.04 : x
2. Step 2: Convert to fraction form
   16,818.71/23,209.18 = 10,108.04/x
3. Step 3: Cross multiply
   16,818.71x = 23,209.18 × 10,108.04
4. Step 4: Simplify right side
   16,818.71x = 234,599,178.49
5. Step 5: Solve for x
   x = 234,599,178.49/16,818.71
6. Step 6: Final answer
   x = 13,948.71