Finding the Fourth Proportional to 82,434.30, 123,523.56 and 57,183.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,434.30 : 123,523.56 = 57,183.12 : x
2. Step 2: Convert to fraction form
   82,434.30/123,523.56 = 57,183.12/x
3. Step 3: Cross multiply
   82,434.30x = 123,523.56 × 57,183.12
4. Step 4: Simplify right side
   82,434.30x = 7,063,462,554.31
5. Step 5: Solve for x
   x = 7,063,462,554.31/82,434.30
6. Step 6: Final answer
   x = 85,685.97