Finding the Fourth Proportional to 3,839.94, 5,297.61 and 2,160.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.94 : 5,297.61 = 2,160.98 : x
2. Step 2: Convert to fraction form
   3,839.94/5,297.61 = 2,160.98/x
3. Step 3: Cross multiply
   3,839.94x = 5,297.61 × 2,160.98
4. Step 4: Simplify right side
   3,839.94x = 11,448,002.77
5. Step 5: Solve for x
   x = 11,448,002.77/3,839.94
6. Step 6: Final answer
   x = 2,981.30