Finding the Fourth Proportional to 9,898.34, 14,849.67 and 2,878.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,898.34 : 14,849.67 = 2,878.43 : x
2. Step 2: Convert to fraction form
   9,898.34/14,849.67 = 2,878.43/x
3. Step 3: Cross multiply
   9,898.34x = 14,849.67 × 2,878.43
4. Step 4: Simplify right side
   9,898.34x = 42,743,735.62
5. Step 5: Solve for x
   x = 42,743,735.62/9,898.34
6. Step 6: Final answer
   x = 4,318.27