Finding the Fourth Proportional to 10,664.38, 16,010.45 and 8,200.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,664.38 : 16,010.45 = 8,200.93 : x
2. Step 2: Convert to fraction form
   10,664.38/16,010.45 = 8,200.93/x
3. Step 3: Cross multiply
   10,664.38x = 16,010.45 × 8,200.93
4. Step 4: Simplify right side
   10,664.38x = 131,300,579.72
5. Step 5: Solve for x
   x = 131,300,579.72/10,664.38
6. Step 6: Final answer
   x = 12,312.07