Finding the Fourth Proportional to 82,842.63, 124,269.21 and 30,245.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,842.63 : 124,269.21 = 30,245.28 : x
2. Step 2: Convert to fraction form
   82,842.63/124,269.21 = 30,245.28/x
3. Step 3: Cross multiply
   82,842.63x = 124,269.21 × 30,245.28
4. Step 4: Simplify right side
   82,842.63x = 3,758,557,051.83
5. Step 5: Solve for x
   x = 3,758,557,051.83/82,842.63
6. Step 6: Final answer
   x = 45,369.84