Finding the Fourth Proportional to 3,981.69, 5,972.82 and 1,208.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.69 : 5,972.82 = 1,208.59 : x
2. Step 2: Convert to fraction form
   3,981.69/5,972.82 = 1,208.59/x
3. Step 3: Cross multiply
   3,981.69x = 5,972.82 × 1,208.59
4. Step 4: Simplify right side
   3,981.69x = 7,218,671.06
5. Step 5: Solve for x
   x = 7,218,671.06/3,981.69
6. Step 6: Final answer
   x = 1,812.97