Finding the Fourth Proportional to 132,558.50, 182,930.73 and 72,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,558.50 : 182,930.73 = 72,942.50 : x
2. Step 2: Convert to fraction form
   132,558.50/182,930.73 = 72,942.50/x
3. Step 3: Cross multiply
   132,558.50x = 182,930.73 × 72,942.50
4. Step 4: Simplify right side
   132,558.50x = 13,343,424,773.03
5. Step 5: Solve for x
   x = 13,343,424,773.03/132,558.50
6. Step 6: Final answer
   x = 100,660.65