Finding the Fourth Proportional to 103,935.67, 155,833.45 and 83,969.73

Step by Step Solution

1. Step 1: Write the proportion equation
   103,935.67 : 155,833.45 = 83,969.73 : x
2. Step 2: Convert to fraction form
   103,935.67/155,833.45 = 83,969.73/x
3. Step 3: Cross multiply
   103,935.67x = 155,833.45 × 83,969.73
4. Step 4: Simplify right side
   103,935.67x = 13,085,291,942.30
5. Step 5: Solve for x
   x = 13,085,291,942.30/103,935.67
6. Step 6: Final answer
   x = 125,897.99