Finding the Fourth Proportional to 9,776.37, 13,491.23 and 5,527.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.37 : 13,491.23 = 5,527.37 : x
2. Step 2: Convert to fraction form
   9,776.37/13,491.23 = 5,527.37/x
3. Step 3: Cross multiply
   9,776.37x = 13,491.23 × 5,527.37
4. Step 4: Simplify right side
   9,776.37x = 74,570,924.87
5. Step 5: Solve for x
   x = 74,570,924.87/9,776.37
6. Step 6: Final answer
   x = 7,627.67