Finding the Fourth Proportional to 82,830.24, 124,134.64 and 30,190.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82,830.24 : 124,134.64 = 30,190.24 : x
2. Step 2: Convert to fraction form
   82,830.24/124,134.64 = 30,190.24/x
3. Step 3: Cross multiply
   82,830.24x = 124,134.64 × 30,190.24
4. Step 4: Simplify right side
   82,830.24x = 3,747,654,573.91
5. Step 5: Solve for x
   x = 3,747,654,573.91/82,830.24
6. Step 6: Final answer
   x = 45,245.00