Finding the Fourth Proportional to 10,345.29, 14,277.90 and 10,063.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.29 : 14,277.90 = 10,063.86 : x
2. Step 2: Convert to fraction form
   10,345.29/14,277.90 = 10,063.86/x
3. Step 3: Cross multiply
   10,345.29x = 14,277.90 × 10,063.86
4. Step 4: Simplify right side
   10,345.29x = 143,690,786.69
5. Step 5: Solve for x
   x = 143,690,786.69/10,345.29
6. Step 6: Final answer
   x = 13,889.49