Finding the Fourth Proportional to 49,678.72, 68,557.92 and 27,019.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,678.72 : 68,557.92 = 27,019.12 : x
2. Step 2: Convert to fraction form
   49,678.72/68,557.92 = 27,019.12/x
3. Step 3: Cross multiply
   49,678.72x = 68,557.92 × 27,019.12
4. Step 4: Simplify right side
   49,678.72x = 1,852,374,667.43
5. Step 5: Solve for x
   x = 1,852,374,667.43/49,678.72
6. Step 6: Final answer
   x = 37,287.09