Finding the Fourth Proportional to 82,630.47, 123,644.39 and 76,357.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,630.47 : 123,644.39 = 76,357.83 : x
2. Step 2: Convert to fraction form
   82,630.47/123,644.39 = 76,357.83/x
3. Step 3: Cross multiply
   82,630.47x = 123,644.39 × 76,357.83
4. Step 4: Simplify right side
   82,630.47x = 9,441,216,930.28
5. Step 5: Solve for x
   x = 9,441,216,930.28/82,630.47
6. Step 6: Final answer
   x = 114,258.30