Finding the Fourth Proportional to 12,603.26, 18,899.42 and 3,836.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603.26 : 18,899.42 = 3,836.12 : x
2. Step 2: Convert to fraction form
   12,603.26/18,899.42 = 3,836.12/x
3. Step 3: Cross multiply
   12,603.26x = 18,899.42 × 3,836.12
4. Step 4: Simplify right side
   12,603.26x = 72,500,471.12
5. Step 5: Solve for x
   x = 72,500,471.12/12,603.26
6. Step 6: Final answer
   x = 5,752.52