Finding the Fourth Proportional to 9,074.08, 12,521.82 and 5,489.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074.08 : 12,521.82 = 5,489.02 : x
2. Step 2: Convert to fraction form
   9,074.08/12,521.82 = 5,489.02/x
3. Step 3: Cross multiply
   9,074.08x = 12,521.82 × 5,489.02
4. Step 4: Simplify right side
   9,074.08x = 68,732,520.42
5. Step 5: Solve for x
   x = 68,732,520.42/9,074.08
6. Step 6: Final answer
   x = 7,574.60