Finding the Fourth Proportional to 32,934.50, 49,401.86 and 7,974.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,934.50 : 49,401.86 = 7,974.50 : x
2. Step 2: Convert to fraction form
   32,934.50/49,401.86 = 7,974.50/x
3. Step 3: Cross multiply
   32,934.50x = 49,401.86 × 7,974.50
4. Step 4: Simplify right side
   32,934.50x = 393,955,132.57
5. Step 5: Solve for x
   x = 393,955,132.57/32,934.50
6. Step 6: Final answer
   x = 11,961.78