Finding the Fourth Proportional to 154,389.50, 213,057.52 and 83,733.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,389.50 : 213,057.52 = 83,733.50 : x
2. Step 2: Convert to fraction form
   154,389.50/213,057.52 = 83,733.50/x
3. Step 3: Cross multiply
   154,389.50x = 213,057.52 × 83,733.50
4. Step 4: Simplify right side
   154,389.50x = 17,840,051,850.92
5. Step 5: Solve for x
   x = 17,840,051,850.92/154,389.50
6. Step 6: Final answer
   x = 115,552.24