Finding the Fourth Proportional to 82,880, 114,375.21 and 47,070.71

Step by Step Solution

1. Step 1: Write the proportion equation
   82,880 : 114,375.21 = 47,070.71 : x
2. Step 2: Convert to fraction form
   82,880/114,375.21 = 47,070.71/x
3. Step 3: Cross multiply
   82,880x = 114,375.21 × 47,070.71
4. Step 4: Simplify right side
   82,880x = 5,383,722,105.75
5. Step 5: Solve for x
   x = 5,383,722,105.75/82,880
6. Step 6: Final answer
   x = 64,958.04