Finding the Fourth Proportional to 132,340.50, 182,629.89 and 72,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,340.50 : 182,629.89 = 72,724.50 : x
2. Step 2: Convert to fraction form
   132,340.50/182,629.89 = 72,724.50/x
3. Step 3: Cross multiply
   132,340.50x = 182,629.89 × 72,724.50
4. Step 4: Simplify right side
   132,340.50x = 13,281,667,435.31
5. Step 5: Solve for x
   x = 13,281,667,435.31/132,340.50
6. Step 6: Final answer
   x = 100,359.81