Finding the Fourth Proportional to 9,647.37, 13,311.95 and 5,454.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647.37 : 13,311.95 = 5,454.81 : x
2. Step 2: Convert to fraction form
   9,647.37/13,311.95 = 5,454.81/x
3. Step 3: Cross multiply
   9,647.37x = 13,311.95 × 5,454.81
4. Step 4: Simplify right side
   9,647.37x = 72,614,130.71
5. Step 5: Solve for x
   x = 72,614,130.71/9,647.37
6. Step 6: Final answer
   x = 7,526.83