Finding the Fourth Proportional to 272,111.33, 408,167.81 and 82,573.22

Step by Step Solution

1. Step 1: Write the proportion equation
   272,111.33 : 408,167.81 = 82,573.22 : x
2. Step 2: Convert to fraction form
   272,111.33/408,167.81 = 82,573.22/x
3. Step 3: Cross multiply
   272,111.33x = 408,167.81 × 82,573.22
4. Step 4: Simplify right side
   272,111.33x = 33,703,727,918.34
5. Step 5: Solve for x
   x = 33,703,727,918.34/272,111.33
6. Step 6: Final answer
   x = 123,860.07