Finding the Fourth Proportional to 9,776.30, 13,491.29 and 5,300.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.30 : 13,491.29 = 5,300.03 : x
2. Step 2: Convert to fraction form
   9,776.30/13,491.29 = 5,300.03/x
3. Step 3: Cross multiply
   9,776.30x = 13,491.29 × 5,300.03
4. Step 4: Simplify right side
   9,776.30x = 71,504,288.72
5. Step 5: Solve for x
   x = 71,504,288.72/9,776.30
6. Step 6: Final answer
   x = 7,314.05