Finding the Fourth Proportional to 82,173.19, 123,273.42 and 28,851.33

Step by Step Solution

1. Step 1: Write the proportion equation
   82,173.19 : 123,273.42 = 28,851.33 : x
2. Step 2: Convert to fraction form
   82,173.19/123,273.42 = 28,851.33/x
3. Step 3: Cross multiply
   82,173.19x = 123,273.42 × 28,851.33
4. Step 4: Simplify right side
   82,173.19x = 3,556,602,120.65
5. Step 5: Solve for x
   x = 3,556,602,120.65/82,173.19
6. Step 6: Final answer
   x = 43,281.78