Finding the Fourth Proportional to 82,287.06, 123,440.49 and 28,967.97

Step by Step Solution

1. Step 1: Write the proportion equation
   82,287.06 : 123,440.49 = 28,967.97 : x
2. Step 2: Convert to fraction form
   82,287.06/123,440.49 = 28,967.97/x
3. Step 3: Cross multiply
   82,287.06x = 123,440.49 × 28,967.97
4. Step 4: Simplify right side
   82,287.06x = 3,575,820,411.11
5. Step 5: Solve for x
   x = 3,575,820,411.11/82,287.06
6. Step 6: Final answer
   x = 43,455.44