Finding the Fourth Proportional to 9,286.56, 12,815.40 and 5,094.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,286.56 : 12,815.40 = 5,094.72 : x
2. Step 2: Convert to fraction form
   9,286.56/12,815.40 = 5,094.72/x
3. Step 3: Cross multiply
   9,286.56x = 12,815.40 × 5,094.72
4. Step 4: Simplify right side
   9,286.56x = 65,290,874.69
5. Step 5: Solve for x
   x = 65,290,874.69/9,286.56
6. Step 6: Final answer
   x = 7,030.68