Finding the Fourth Proportional to 132,573.79, 182,951.50 and 72,144.42

Step by Step Solution

1. Step 1: Write the proportion equation
   132,573.79 : 182,951.50 = 72,144.42 : x
2. Step 2: Convert to fraction form
   132,573.79/182,951.50 = 72,144.42/x
3. Step 3: Cross multiply
   132,573.79x = 182,951.50 × 72,144.42
4. Step 4: Simplify right side
   132,573.79x = 13,198,929,855.63
5. Step 5: Solve for x
   x = 13,198,929,855.63/132,573.79
6. Step 6: Final answer
   x = 99,559.12