Finding the Fourth Proportional to 154,992.32, 213,834.37 and 101,308.31

Step by Step Solution

1. Step 1: Write the proportion equation
   154,992.32 : 213,834.37 = 101,308.31 : x
2. Step 2: Convert to fraction form
   154,992.32/213,834.37 = 101,308.31/x
3. Step 3: Cross multiply
   154,992.32x = 213,834.37 × 101,308.31
4. Step 4: Simplify right side
   154,992.32x = 21,663,198,644.61
5. Step 5: Solve for x
   x = 21,663,198,644.61/154,992.32
6. Step 6: Final answer
   x = 139,769.50