Finding the Fourth Proportional to 12,603.21, 17,392.73 and 7,567.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603.21 : 17,392.73 = 7,567.62 : x
2. Step 2: Convert to fraction form
   12,603.21/17,392.73 = 7,567.62/x
3. Step 3: Cross multiply
   12,603.21x = 17,392.73 × 7,567.62
4. Step 4: Simplify right side
   12,603.21x = 131,621,533.56
5. Step 5: Solve for x
   x = 131,621,533.56/12,603.21
6. Step 6: Final answer
   x = 10,443.49