Finding the Fourth Proportional to 9,107.42, 12,568.80 and 5,524.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,107.42 : 12,568.80 = 5,524.89 : x
2. Step 2: Convert to fraction form
   9,107.42/12,568.80 = 5,524.89/x
3. Step 3: Cross multiply
   9,107.42x = 12,568.80 × 5,524.89
4. Step 4: Simplify right side
   9,107.42x = 69,441,211.02
5. Step 5: Solve for x
   x = 69,441,211.02/9,107.42
6. Step 6: Final answer
   x = 7,624.69