Finding the Fourth Proportional to 9,074.34, 12,523.98 and 5,539.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074.34 : 12,523.98 = 5,539.62 : x
2. Step 2: Convert to fraction form
   9,074.34/12,523.98 = 5,539.62/x
3. Step 3: Cross multiply
   9,074.34x = 12,523.98 × 5,539.62
4. Step 4: Simplify right side
   9,074.34x = 69,378,090.09
5. Step 5: Solve for x
   x = 69,378,090.09/9,074.34
6. Step 6: Final answer
   x = 7,645.52