Finding the Fourth Proportional to 9,074.49, 12,524.16 and 5,539.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074.49 : 12,524.16 = 5,539.76 : x
2. Step 2: Convert to fraction form
   9,074.49/12,524.16 = 5,539.76/x
3. Step 3: Cross multiply
   9,074.49x = 12,524.16 × 5,539.76
4. Step 4: Simplify right side
   9,074.49x = 69,380,777.98
5. Step 5: Solve for x
   x = 69,380,777.98/9,074.49
6. Step 6: Final answer
   x = 7,645.69