Finding the Fourth Proportional to 20,849.04, 31,270.32 and 7,698.42

Step by Step Solution

1. Step 1: Write the proportion equation
   20,849.04 : 31,270.32 = 7,698.42 : x
2. Step 2: Convert to fraction form
   20,849.04/31,270.32 = 7,698.42/x
3. Step 3: Cross multiply
   20,849.04x = 31,270.32 × 7,698.42
4. Step 4: Simplify right side
   20,849.04x = 240,732,056.89
5. Step 5: Solve for x
   x = 240,732,056.89/20,849.04
6. Step 6: Final answer
   x = 11,546.43