Finding the Fourth Proportional to 10,669.46, 16,011.34 and 8,038.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,669.46 : 16,011.34 = 8,038.91 : x
2. Step 2: Convert to fraction form
   10,669.46/16,011.34 = 8,038.91/x
3. Step 3: Cross multiply
   10,669.46x = 16,011.34 × 8,038.91
4. Step 4: Simplify right side
   10,669.46x = 128,713,741.17
5. Step 5: Solve for x
   x = 128,713,741.17/10,669.46
6. Step 6: Final answer
   x = 12,063.76