Finding the Fourth Proportional to 82,874.34, 124,204.59 and 30,221.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,874.34 : 124,204.59 = 30,221.10 : x
2. Step 2: Convert to fraction form
   82,874.34/124,204.59 = 30,221.10/x
3. Step 3: Cross multiply
   82,874.34x = 124,204.59 × 30,221.10
4. Step 4: Simplify right side
   82,874.34x = 3,753,599,334.85
5. Step 5: Solve for x
   x = 3,753,599,334.85/82,874.34
6. Step 6: Final answer
   x = 45,292.66