Finding the Fourth Proportional to 82,480.26, 123,720.42 and 47,397.54

Step by Step Solution

1. Step 1: Write the proportion equation
   82,480.26 : 123,720.42 = 47,397.54 : x
2. Step 2: Convert to fraction form
   82,480.26/123,720.42 = 47,397.54/x
3. Step 3: Cross multiply
   82,480.26x = 123,720.42 × 47,397.54
4. Step 4: Simplify right side
   82,480.26x = 5,864,043,555.77
5. Step 5: Solve for x
   x = 5,864,043,555.77/82,480.26
6. Step 6: Final answer
   x = 71,096.33