Finding the Fourth Proportional to 82,926, 124,388.64 and 20,596.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,926 : 124,388.64 = 20,596.56 : x
2. Step 2: Convert to fraction form
   82,926/124,388.64 = 20,596.56/x
3. Step 3: Cross multiply
   82,926x = 124,388.64 × 20,596.56
4. Step 4: Simplify right side
   82,926x = 2,561,978,087.08
5. Step 5: Solve for x
   x = 2,561,978,087.08/82,926
6. Step 6: Final answer
   x = 30,894.75