Finding the Fourth Proportional to 49,788.95, 68,707.89 and 27,128.13

Step by Step Solution

1. Step 1: Write the proportion equation
   49,788.95 : 68,707.89 = 27,128.13 : x
2. Step 2: Convert to fraction form
   49,788.95/68,707.89 = 27,128.13/x
3. Step 3: Cross multiply
   49,788.95x = 68,707.89 × 27,128.13
4. Step 4: Simplify right side
   49,788.95x = 1,863,916,436.31
5. Step 5: Solve for x
   x = 1,863,916,436.31/49,788.95
6. Step 6: Final answer
   x = 37,436.35