Finding the Fourth Proportional to 72,642.69, 108,955.94 and 25,249.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,642.69 : 108,955.94 = 25,249.59 : x
2. Step 2: Convert to fraction form
   72,642.69/108,955.94 = 25,249.59/x
3. Step 3: Cross multiply
   72,642.69x = 108,955.94 × 25,249.59
4. Step 4: Simplify right side
   72,642.69x = 2,751,092,686.82
5. Step 5: Solve for x
   x = 2,751,092,686.82/72,642.69
6. Step 6: Final answer
   x = 37,871.57