Finding the Fourth Proportional to 82,808.69, 124,215.08 and 30,218.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,808.69 : 124,215.08 = 30,218.16 : x
2. Step 2: Convert to fraction form
   82,808.69/124,215.08 = 30,218.16/x
3. Step 3: Cross multiply
   82,808.69x = 124,215.08 × 30,218.16
4. Step 4: Simplify right side
   82,808.69x = 3,753,551,010.76
5. Step 5: Solve for x
   x = 3,753,551,010.76/82,808.69
6. Step 6: Final answer
   x = 45,327.99