Finding the Fourth Proportional to 12,603.39, 18,907.14 and 3,836.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603.39 : 18,907.14 = 3,836.25 : x
2. Step 2: Convert to fraction form
   12,603.39/18,907.14 = 3,836.25/x
3. Step 3: Cross multiply
   12,603.39x = 18,907.14 × 3,836.25
4. Step 4: Simplify right side
   12,603.39x = 72,532,515.83
5. Step 5: Solve for x
   x = 72,532,515.83/12,603.39
6. Step 6: Final answer
   x = 5,755.00