Finding the Fourth Proportional to 49,386.33, 68,016.38 and 42,669.81

Step by Step Solution

1. Step 1: Write the proportion equation
   49,386.33 : 68,016.38 = 42,669.81 : x
2. Step 2: Convert to fraction form
   49,386.33/68,016.38 = 42,669.81/x
3. Step 3: Cross multiply
   49,386.33x = 68,016.38 × 42,669.81
4. Step 4: Simplify right side
   49,386.33x = 2,902,245,798.14
5. Step 5: Solve for x
   x = 2,902,245,798.14/49,386.33
6. Step 6: Final answer
   x = 58,766.18