Finding the Fourth Proportional to 132,345.38, 182,636.62 and 72,729.38

Step by Step Solution

1. Step 1: Write the proportion equation
   132,345.38 : 182,636.62 = 72,729.38 : x
2. Step 2: Convert to fraction form
   132,345.38/182,636.62 = 72,729.38/x
3. Step 3: Cross multiply
   132,345.38x = 182,636.62 × 72,729.38
4. Step 4: Simplify right side
   132,345.38x = 13,283,047,042.89
5. Step 5: Solve for x
   x = 13,283,047,042.89/132,345.38
6. Step 6: Final answer
   x = 100,366.54