Finding the Fourth Proportional to 82,983.78, 114,527.92 and 50,711.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,983.78 : 114,527.92 = 50,711.76 : x
2. Step 2: Convert to fraction form
   82,983.78/114,527.92 = 50,711.76/x
3. Step 3: Cross multiply
   82,983.78x = 114,527.92 × 50,711.76
4. Step 4: Simplify right side
   82,983.78x = 5,807,912,392.34
5. Step 5: Solve for x
   x = 5,807,912,392.34/82,983.78
6. Step 6: Final answer
   x = 69,988.53