Finding the Fourth Proportional to 9,636.84, 13,300.14 and 5,445

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636.84 : 13,300.14 = 5,445 : x
2. Step 2: Convert to fraction form
   9,636.84/13,300.14 = 5,445/x
3. Step 3: Cross multiply
   9,636.84x = 13,300.14 × 5,445
4. Step 4: Simplify right side
   9,636.84x = 72,419,262.30
5. Step 5: Solve for x
   x = 72,419,262.30/9,636.84
6. Step 6: Final answer
   x = 7,514.83