Finding the Fourth Proportional to 9,894.56, 14,839.50 and 2,872.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,894.56 : 14,839.50 = 2,872.70 : x
2. Step 2: Convert to fraction form
   9,894.56/14,839.50 = 2,872.70/x
3. Step 3: Cross multiply
   9,894.56x = 14,839.50 × 2,872.70
4. Step 4: Simplify right side
   9,894.56x = 42,629,431.65
5. Step 5: Solve for x
   x = 42,629,431.65/9,894.56
6. Step 6: Final answer
   x = 4,308.37