Finding the Fourth Proportional to 82,196.97, 123,196.31 and 40,013.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82,196.97 : 123,196.31 = 40,013.82 : x
2. Step 2: Convert to fraction form
   82,196.97/123,196.31 = 40,013.82/x
3. Step 3: Cross multiply
   82,196.97x = 123,196.31 × 40,013.82
4. Step 4: Simplify right side
   82,196.97x = 4,929,554,973.00
5. Step 5: Solve for x
   x = 4,929,554,973.00/82,196.97
6. Step 6: Final answer
   x = 59,972.47