Finding the Fourth Proportional to 9,056.41, 12,499.05 and 5,279.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.41 : 12,499.05 = 5,279.65 : x
2. Step 2: Convert to fraction form
   9,056.41/12,499.05 = 5,279.65/x
3. Step 3: Cross multiply
   9,056.41x = 12,499.05 × 5,279.65
4. Step 4: Simplify right side
   9,056.41x = 65,990,609.33
5. Step 5: Solve for x
   x = 65,990,609.33/9,056.41
6. Step 6: Final answer
   x = 7,286.62