Finding the Fourth Proportional to 8,005.86, 12,034.62 and 7,423.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,005.86 : 12,034.62 = 7,423.56 : x
2. Step 2: Convert to fraction form
   8,005.86/12,034.62 = 7,423.56/x
3. Step 3: Cross multiply
   8,005.86x = 12,034.62 × 7,423.56
4. Step 4: Simplify right side
   8,005.86x = 89,339,723.65
5. Step 5: Solve for x
   x = 89,339,723.65/8,005.86
6. Step 6: Final answer
   x = 11,159.29