Finding the Fourth Proportional to 132,576.42, 182,953.54 and 72,960.42

Step by Step Solution

1. Step 1: Write the proportion equation
   132,576.42 : 182,953.54 = 72,960.42 : x
2. Step 2: Convert to fraction form
   132,576.42/182,953.54 = 72,960.42/x
3. Step 3: Cross multiply
   132,576.42x = 182,953.54 × 72,960.42
4. Step 4: Simplify right side
   132,576.42x = 13,348,367,118.89
5. Step 5: Solve for x
   x = 13,348,367,118.89/132,576.42
6. Step 6: Final answer
   x = 100,684.32