Finding the Fourth Proportional to 10,198.43, 15,294.85 and 2,801.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,198.43 : 15,294.85 = 2,801.14 : x
2. Step 2: Convert to fraction form
   10,198.43/15,294.85 = 2,801.14/x
3. Step 3: Cross multiply
   10,198.43x = 15,294.85 × 2,801.14
4. Step 4: Simplify right side
   10,198.43x = 42,842,970.89
5. Step 5: Solve for x
   x = 42,842,970.89/10,198.43
6. Step 6: Final answer
   x = 4,200.94