Finding the Fourth Proportional to 16,815.05, 23,202.61 and 10,101.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,815.05 : 23,202.61 = 10,101.87 : x
2. Step 2: Convert to fraction form
   16,815.05/23,202.61 = 10,101.87/x
3. Step 3: Cross multiply
   16,815.05x = 23,202.61 × 10,101.87
4. Step 4: Simplify right side
   16,815.05x = 234,389,749.88
5. Step 5: Solve for x
   x = 234,389,749.88/16,815.05
6. Step 6: Final answer
   x = 13,939.28