Finding the Fourth Proportional to 9,287.42, 12,816.56 and 5,095.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,287.42 : 12,816.56 = 5,095.64 : x
2. Step 2: Convert to fraction form
   9,287.42/12,816.56 = 5,095.64/x
3. Step 3: Cross multiply
   9,287.42x = 12,816.56 × 5,095.64
4. Step 4: Simplify right side
   9,287.42x = 65,308,575.80
5. Step 5: Solve for x
   x = 65,308,575.80/9,287.42
6. Step 6: Final answer
   x = 7,031.94