Finding the Fourth Proportional to 82,481.76, 123,722.67 and 47,399.04

Step by Step Solution

1. Step 1: Write the proportion equation
   82,481.76 : 123,722.67 = 47,399.04 : x
2. Step 2: Convert to fraction form
   82,481.76/123,722.67 = 47,399.04/x
3. Step 3: Cross multiply
   82,481.76x = 123,722.67 × 47,399.04
4. Step 4: Simplify right side
   82,481.76x = 5,864,335,784.24
5. Step 5: Solve for x
   x = 5,864,335,784.24/82,481.76
6. Step 6: Final answer
   x = 71,098.58