Finding the Fourth Proportional to 19,049.30, 26,288.01 and 10,665.86

Step by Step Solution

1. Step 1: Write the proportion equation
   19,049.30 : 26,288.01 = 10,665.86 : x
2. Step 2: Convert to fraction form
   19,049.30/26,288.01 = 10,665.86/x
3. Step 3: Cross multiply
   19,049.30x = 26,288.01 × 10,665.86
4. Step 4: Simplify right side
   19,049.30x = 280,384,234.34
5. Step 5: Solve for x
   x = 280,384,234.34/19,049.30
6. Step 6: Final answer
   x = 14,718.87