Finding the Fourth Proportional to 72,537.36, 108,275.51 and 67,194.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,537.36 : 108,275.51 = 67,194.69 : x
2. Step 2: Convert to fraction form
   72,537.36/108,275.51 = 67,194.69/x
3. Step 3: Cross multiply
   72,537.36x = 108,275.51 × 67,194.69
4. Step 4: Simplify right side
   72,537.36x = 7,275,538,451.69
5. Step 5: Solve for x
   x = 7,275,538,451.69/72,537.36
6. Step 6: Final answer
   x = 100,300.58