Finding the Fourth Proportional to 82,909.71, 114,418.47 and 47,105.79

Step by Step Solution

1. Step 1: Write the proportion equation
   82,909.71 : 114,418.47 = 47,105.79 : x
2. Step 2: Convert to fraction form
   82,909.71/114,418.47 = 47,105.79/x
3. Step 3: Cross multiply
   82,909.71x = 114,418.47 × 47,105.79
4. Step 4: Simplify right side
   82,909.71x = 5,389,772,419.94
5. Step 5: Solve for x
   x = 5,389,772,419.94/82,909.71
6. Step 6: Final answer
   x = 65,007.73