Finding the Fourth Proportional to 154,749.42, 213,647.37 and 101,124.18

Step by Step Solution

1. Step 1: Write the proportion equation
   154,749.42 : 213,647.37 = 101,124.18 : x
2. Step 2: Convert to fraction form
   154,749.42/213,647.37 = 101,124.18/x
3. Step 3: Cross multiply
   154,749.42x = 213,647.37 × 101,124.18
4. Step 4: Simplify right side
   154,749.42x = 21,604,915,100.41
5. Step 5: Solve for x
   x = 21,604,915,100.41/154,749.42
6. Step 6: Final answer
   x = 139,612.25