Finding the Fourth Proportional to 9,975.39, 13,766.14 and 5,499.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,975.39 : 13,766.14 = 5,499.32 : x
2. Step 2: Convert to fraction form
   9,975.39/13,766.14 = 5,499.32/x
3. Step 3: Cross multiply
   9,975.39x = 13,766.14 × 5,499.32
4. Step 4: Simplify right side
   9,975.39x = 75,704,409.02
5. Step 5: Solve for x
   x = 75,704,409.02/9,975.39
6. Step 6: Final answer
   x = 7,589.12