Finding the Fourth Proportional to 9,644.84, 13,311.10 and 5,453

Step by Step Solution

1. Step 1: Write the proportion equation
   9,644.84 : 13,311.10 = 5,453 : x
2. Step 2: Convert to fraction form
   9,644.84/13,311.10 = 5,453/x
3. Step 3: Cross multiply
   9,644.84x = 13,311.10 × 5,453
4. Step 4: Simplify right side
   9,644.84x = 72,585,428.30
5. Step 5: Solve for x
   x = 72,585,428.30/9,644.84
6. Step 6: Final answer
   x = 7,525.83