Finding the Fourth Proportional to 82,534.56, 123,804.24 and 20,205

Step by Step Solution

1. Step 1: Write the proportion equation
   82,534.56 : 123,804.24 = 20,205 : x
2. Step 2: Convert to fraction form
   82,534.56/123,804.24 = 20,205/x
3. Step 3: Cross multiply
   82,534.56x = 123,804.24 × 20,205
4. Step 4: Simplify right side
   82,534.56x = 2,501,464,669.20
5. Step 5: Solve for x
   x = 2,501,464,669.20/82,534.56
6. Step 6: Final answer
   x = 30,308.09