Finding the Fourth Proportional to 82,628.56, 123,806.64 and 47,597.68

Step by Step Solution

1. Step 1: Write the proportion equation
   82,628.56 : 123,806.64 = 47,597.68 : x
2. Step 2: Convert to fraction form
   82,628.56/123,806.64 = 47,597.68/x
3. Step 3: Cross multiply
   82,628.56x = 123,806.64 × 47,597.68
4. Step 4: Simplify right side
   82,628.56x = 5,892,908,832.60
5. Step 5: Solve for x
   x = 5,892,908,832.60/82,628.56
6. Step 6: Final answer
   x = 71,318.06