Finding the Fourth Proportional to 9,966.06, 13,753.25 and 5,489.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,966.06 : 13,753.25 = 5,489.82 : x
2. Step 2: Convert to fraction form
   9,966.06/13,753.25 = 5,489.82/x
3. Step 3: Cross multiply
   9,966.06x = 13,753.25 × 5,489.82
4. Step 4: Simplify right side
   9,966.06x = 75,502,839.47
5. Step 5: Solve for x
   x = 75,502,839.47/9,966.06
6. Step 6: Final answer
   x = 7,576.00