Finding the Fourth Proportional to 9,864.12, 14,796.92 and 3,109.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.12 : 14,796.92 = 3,109.12 : x
2. Step 2: Convert to fraction form
   9,864.12/14,796.92 = 3,109.12/x
3. Step 3: Cross multiply
   9,864.12x = 14,796.92 × 3,109.12
4. Step 4: Simplify right side
   9,864.12x = 46,005,399.91
5. Step 5: Solve for x
   x = 46,005,399.91/9,864.12
6. Step 6: Final answer
   x = 4,663.91