Finding the Fourth Proportional to 9,976.67, 13,767.27 and 5,499.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.67 : 13,767.27 = 5,499.53 : x
2. Step 2: Convert to fraction form
   9,976.67/13,767.27 = 5,499.53/x
3. Step 3: Cross multiply
   9,976.67x = 13,767.27 × 5,499.53
4. Step 4: Simplify right side
   9,976.67x = 75,713,514.38
5. Step 5: Solve for x
   x = 75,713,514.38/9,976.67
6. Step 6: Final answer
   x = 7,589.06