Finding the Fourth Proportional to 20,846.79, 31,270.34 and 5,264.42

Step by Step Solution

1. Step 1: Write the proportion equation
   20,846.79 : 31,270.34 = 5,264.42 : x
2. Step 2: Convert to fraction form
   20,846.79/31,270.34 = 5,264.42/x
3. Step 3: Cross multiply
   20,846.79x = 31,270.34 × 5,264.42
4. Step 4: Simplify right side
   20,846.79x = 164,620,203.30
5. Step 5: Solve for x
   x = 164,620,203.30/20,846.79
6. Step 6: Final answer
   x = 7,896.67