Finding the Fourth Proportional to 49,788.54, 68,707.56 and 27,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,788.54 : 68,707.56 = 27,128.50 : x
2. Step 2: Convert to fraction form
   49,788.54/68,707.56 = 27,128.50/x
3. Step 3: Cross multiply
   49,788.54x = 68,707.56 × 27,128.50
4. Step 4: Simplify right side
   49,788.54x = 1,863,933,041.46
5. Step 5: Solve for x
   x = 1,863,933,041.46/49,788.54
6. Step 6: Final answer
   x = 37,436.99