Finding the Fourth Proportional to 22,729.86, 34,100.15 and 7,147.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,729.86 : 34,100.15 = 7,147.49 : x
2. Step 2: Convert to fraction form
   22,729.86/34,100.15 = 7,147.49/x
3. Step 3: Cross multiply
   22,729.86x = 34,100.15 × 7,147.49
4. Step 4: Simplify right side
   22,729.86x = 243,730,328.49
5. Step 5: Solve for x
   x = 243,730,328.49/22,729.86
6. Step 6: Final answer
   x = 10,722.91