Finding the Fourth Proportional to 16,865.76, 23,269.86 and 10,900.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,865.76 : 23,269.86 = 10,900.92 : x
2. Step 2: Convert to fraction form
   16,865.76/23,269.86 = 10,900.92/x
3. Step 3: Cross multiply
   16,865.76x = 23,269.86 × 10,900.92
4. Step 4: Simplify right side
   16,865.76x = 253,662,882.27
5. Step 5: Solve for x
   x = 253,662,882.27/16,865.76
6. Step 6: Final answer
   x = 15,040.11