Finding the Fourth Proportional to 9,776.36, 13,491.38 and 5,300.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.36 : 13,491.38 = 5,300.12 : x
2. Step 2: Convert to fraction form
   9,776.36/13,491.38 = 5,300.12/x
3. Step 3: Cross multiply
   9,776.36x = 13,491.38 × 5,300.12
4. Step 4: Simplify right side
   9,776.36x = 71,505,940.43
5. Step 5: Solve for x
   x = 71,505,940.43/9,776.36
6. Step 6: Final answer
   x = 7,314.17