Finding the Fourth Proportional to 82,931.46, 114,441.09 and 47,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,931.46 : 114,441.09 = 47,116.50 : x
2. Step 2: Convert to fraction form
   82,931.46/114,441.09 = 47,116.50/x
3. Step 3: Cross multiply
   82,931.46x = 114,441.09 × 47,116.50
4. Step 4: Simplify right side
   82,931.46x = 5,392,063,616.99
5. Step 5: Solve for x
   x = 5,392,063,616.99/82,931.46
6. Step 6: Final answer
   x = 65,018.31