Finding the Fourth Proportional to 82,876.66, 124,333.56 and 30,284.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,876.66 : 124,333.56 = 30,284.80 : x
2. Step 2: Convert to fraction form
   82,876.66/124,333.56 = 30,284.80/x
3. Step 3: Cross multiply
   82,876.66x = 124,333.56 × 30,284.80
4. Step 4: Simplify right side
   82,876.66x = 3,765,416,997.89
5. Step 5: Solve for x
   x = 3,765,416,997.89/82,876.66
6. Step 6: Final answer
   x = 45,433.99