Finding the Fourth Proportional to 82,478.26, 123,717.42 and 47,395.54

Step by Step Solution

1. Step 1: Write the proportion equation
   82,478.26 : 123,717.42 = 47,395.54 : x
2. Step 2: Convert to fraction form
   82,478.26/123,717.42 = 47,395.54/x
3. Step 3: Cross multiply
   82,478.26x = 123,717.42 × 47,395.54
4. Step 4: Simplify right side
   82,478.26x = 5,863,653,928.31
5. Step 5: Solve for x
   x = 5,863,653,928.31/82,478.26
6. Step 6: Final answer
   x = 71,093.33