Finding the Fourth Proportional to 49,287.69, 68,020.56 and 28,068.32

Step by Step Solution

1. Step 1: Write the proportion equation
   49,287.69 : 68,020.56 = 28,068.32 : x
2. Step 2: Convert to fraction form
   49,287.69/68,020.56 = 28,068.32/x
3. Step 3: Cross multiply
   49,287.69x = 68,020.56 × 28,068.32
4. Step 4: Simplify right side
   49,287.69x = 1,909,223,014.71
5. Step 5: Solve for x
   x = 1,909,223,014.71/49,287.69
6. Step 6: Final answer
   x = 38,736.31