Finding the Fourth Proportional to 9,864.43, 14,796.78 and 2,844.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.43 : 14,796.78 = 2,844.57 : x
2. Step 2: Convert to fraction form
   9,864.43/14,796.78 = 2,844.57/x
3. Step 3: Cross multiply
   9,864.43x = 14,796.78 × 2,844.57
4. Step 4: Simplify right side
   9,864.43x = 42,090,476.48
5. Step 5: Solve for x
   x = 42,090,476.48/9,864.43
6. Step 6: Final answer
   x = 4,266.89