Finding the Fourth Proportional to 9,062.21, 12,508.43 and 5,476.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,062.21 : 12,508.43 = 5,476.57 : x
2. Step 2: Convert to fraction form
   9,062.21/12,508.43 = 5,476.57/x
3. Step 3: Cross multiply
   9,062.21x = 12,508.43 × 5,476.57
4. Step 4: Simplify right side
   9,062.21x = 68,503,233.83
5. Step 5: Solve for x
   x = 68,503,233.83/9,062.21
6. Step 6: Final answer
   x = 7,559.22