Finding the Fourth Proportional to 282,193.07, 423,332.12 and 82,488.38

Step by Step Solution

1. Step 1: Write the proportion equation
   282,193.07 : 423,332.12 = 82,488.38 : x
2. Step 2: Convert to fraction form
   282,193.07/423,332.12 = 82,488.38/x
3. Step 3: Cross multiply
   282,193.07x = 423,332.12 × 82,488.38
4. Step 4: Simplify right side
   282,193.07x = 34,919,978,870.33
5. Step 5: Solve for x
   x = 34,919,978,870.33/282,193.07
6. Step 6: Final answer
   x = 123,744.99