Finding the Fourth Proportional to 82,176, 123,273.72 and 26,772

Step by Step Solution

1. Step 1: Write the proportion equation
   82,176 : 123,273.72 = 26,772 : x
2. Step 2: Convert to fraction form
   82,176/123,273.72 = 26,772/x
3. Step 3: Cross multiply
   82,176x = 123,273.72 × 26,772
4. Step 4: Simplify right side
   82,176x = 3,300,284,031.84
5. Step 5: Solve for x
   x = 3,300,284,031.84/82,176
6. Step 6: Final answer
   x = 40,161.17