Finding the Fourth Proportional to 82,536.96, 123,804.20 and 20,207.46

Step by Step Solution

1. Step 1: Write the proportion equation
   82,536.96 : 123,804.20 = 20,207.46 : x
2. Step 2: Convert to fraction form
   82,536.96/123,804.20 = 20,207.46/x
3. Step 3: Cross multiply
   82,536.96x = 123,804.20 × 20,207.46
4. Step 4: Simplify right side
   82,536.96x = 2,501,768,419.33
5. Step 5: Solve for x
   x = 2,501,768,419.33/82,536.96
6. Step 6: Final answer
   x = 30,310.89