Finding the Fourth Proportional to 154,982.88, 213,821.37 and 101,298.89

Step by Step Solution

1. Step 1: Write the proportion equation
   154,982.88 : 213,821.37 = 101,298.89 : x
2. Step 2: Convert to fraction form
   154,982.88/213,821.37 = 101,298.89/x
3. Step 3: Cross multiply
   154,982.88x = 213,821.37 × 101,298.89
4. Step 4: Simplify right side
   154,982.88x = 21,659,867,973.83
5. Step 5: Solve for x
   x = 21,659,867,973.83/154,982.88
6. Step 6: Final answer
   x = 139,756.52