Finding the Fourth Proportional to 22,729.86, 34,084.98 and 7,934.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,729.86 : 34,084.98 = 7,934.40 : x
2. Step 2: Convert to fraction form
   22,729.86/34,084.98 = 7,934.40/x
3. Step 3: Cross multiply
   22,729.86x = 34,084.98 × 7,934.40
4. Step 4: Simplify right side
   22,729.86x = 270,443,865.31
5. Step 5: Solve for x
   x = 270,443,865.31/22,729.86
6. Step 6: Final answer
   x = 11,898.18