Finding the Fourth Proportional to 9,776.48, 13,491.52 and 5,300.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.48 : 13,491.52 = 5,300.24 : x
2. Step 2: Convert to fraction form
   9,776.48/13,491.52 = 5,300.24/x
3. Step 3: Cross multiply
   9,776.48x = 13,491.52 × 5,300.24
4. Step 4: Simplify right side
   9,776.48x = 71,508,314.44
5. Step 5: Solve for x
   x = 71,508,314.44/9,776.48
6. Step 6: Final answer
   x = 7,314.32