Finding the Fourth Proportional to 7,031.36, 10,527.60 and 5,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,031.36 : 10,527.60 = 5,294.72 : x
2. Step 2: Convert to fraction form
   7,031.36/10,527.60 = 5,294.72/x
3. Step 3: Cross multiply
   7,031.36x = 10,527.60 × 5,294.72
4. Step 4: Simplify right side
   7,031.36x = 55,740,694.27
5. Step 5: Solve for x
   x = 55,740,694.27/7,031.36
6. Step 6: Final answer
   x = 7,927.44