Finding the Fourth Proportional to 81,935.58, 122,807.49 and 31,301.46

Step by Step Solution

1. Step 1: Write the proportion equation
   81,935.58 : 122,807.49 = 31,301.46 : x
2. Step 2: Convert to fraction form
   81,935.58/122,807.49 = 31,301.46/x
3. Step 3: Cross multiply
   81,935.58x = 122,807.49 × 31,301.46
4. Step 4: Simplify right side
   81,935.58x = 3,844,053,735.94
5. Step 5: Solve for x
   x = 3,844,053,735.94/81,935.58
6. Step 6: Final answer
   x = 46,915.56