Finding the Fourth Proportional to 22,729.79, 34,100.06 and 7,147.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,729.79 : 34,100.06 = 7,147.42 : x
2. Step 2: Convert to fraction form
   22,729.79/34,100.06 = 7,147.42/x
3. Step 3: Cross multiply
   22,729.79x = 34,100.06 × 7,147.42
4. Step 4: Simplify right side
   22,729.79x = 243,727,450.85
5. Step 5: Solve for x
   x = 243,727,450.85/22,729.79
6. Step 6: Final answer
   x = 10,722.82