Finding the Fourth Proportional to 132,456.34, 182,791.92 and 72,028.18

Step by Step Solution

1. Step 1: Write the proportion equation
   132,456.34 : 182,791.92 = 72,028.18 : x
2. Step 2: Convert to fraction form
   132,456.34/182,791.92 = 72,028.18/x
3. Step 3: Cross multiply
   132,456.34x = 182,791.92 × 72,028.18
4. Step 4: Simplify right side
   132,456.34x = 13,166,169,316.31
5. Step 5: Solve for x
   x = 13,166,169,316.31/132,456.34
6. Step 6: Final answer
   x = 99,400.07