Finding the Fourth Proportional to 12,603.38, 17,387.98 and 12,583.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603.38 : 17,387.98 = 12,583.94 : x
2. Step 2: Convert to fraction form
   12,603.38/17,387.98 = 12,583.94/x
3. Step 3: Cross multiply
   12,603.38x = 17,387.98 × 12,583.94
4. Step 4: Simplify right side
   12,603.38x = 218,809,297.04
5. Step 5: Solve for x
   x = 218,809,297.04/12,603.38
6. Step 6: Final answer
   x = 17,361.16