Finding the Fourth Proportional to 49,788.72, 68,707.17 and 27,128.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,788.72 : 68,707.17 = 27,128.30 : x
2. Step 2: Convert to fraction form
   49,788.72/68,707.17 = 27,128.30/x
3. Step 3: Cross multiply
   49,788.72x = 68,707.17 × 27,128.30
4. Step 4: Simplify right side
   49,788.72x = 1,863,908,376.38
5. Step 5: Solve for x
   x = 1,863,908,376.38/49,788.72
6. Step 6: Final answer
   x = 37,436.36