Finding the Fourth Proportional to 82,809.01, 124,215.55 and 30,218.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,809.01 : 124,215.55 = 30,218.48 : x
2. Step 2: Convert to fraction form
   82,809.01/124,215.55 = 30,218.48/x
3. Step 3: Cross multiply
   82,809.01x = 124,215.55 × 30,218.48
4. Step 4: Simplify right side
   82,809.01x = 3,753,604,492.29
5. Step 5: Solve for x
   x = 3,753,604,492.29/82,809.01
6. Step 6: Final answer
   x = 45,328.46