Finding the Fourth Proportional to 9,976.05, 13,766.36 and 5,499.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.05 : 13,766.36 = 5,499.99 : x
2. Step 2: Convert to fraction form
   9,976.05/13,766.36 = 5,499.99/x
3. Step 3: Cross multiply
   9,976.05x = 13,766.36 × 5,499.99
4. Step 4: Simplify right side
   9,976.05x = 75,714,814.84
5. Step 5: Solve for x
   x = 75,714,814.84/9,976.05
6. Step 6: Final answer
   x = 7,589.66