Finding the Fourth Proportional to 154,821.33, 213,698.79 and 101,114.69

Step by Step Solution

1. Step 1: Write the proportion equation
   154,821.33 : 213,698.79 = 101,114.69 : x
2. Step 2: Convert to fraction form
   154,821.33/213,698.79 = 101,114.69/x
3. Step 3: Cross multiply
   154,821.33x = 213,698.79 × 101,114.69
4. Step 4: Simplify right side
   154,821.33x = 21,608,085,835.73
5. Step 5: Solve for x
   x = 21,608,085,835.73/154,821.33
6. Step 6: Final answer
   x = 139,567.89