Finding the Fourth Proportional to 82,947, 114,469.74 and 47,138.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,947 : 114,469.74 = 47,138.52 : x
2. Step 2: Convert to fraction form
   82,947/114,469.74 = 47,138.52/x
3. Step 3: Cross multiply
   82,947x = 114,469.74 × 47,138.52
4. Step 4: Simplify right side
   82,947x = 5,395,934,128.38
5. Step 5: Solve for x
   x = 5,395,934,128.38/82,947
6. Step 6: Final answer
   x = 65,052.79