Finding the Fourth Proportional to 9,975.89, 13,766.83 and 5,499.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,975.89 : 13,766.83 = 5,499.83 : x
2. Step 2: Convert to fraction form
   9,975.89/13,766.83 = 5,499.83/x
3. Step 3: Cross multiply
   9,975.89x = 13,766.83 × 5,499.83
4. Step 4: Simplify right side
   9,975.89x = 75,715,245.31
5. Step 5: Solve for x
   x = 75,715,245.31/9,975.89
6. Step 6: Final answer
   x = 7,589.82