Finding the Fourth Proportional to 35,752.56, 49,345.71 and 20,647.68

Step by Step Solution

1. Step 1: Write the proportion equation
   35,752.56 : 49,345.71 = 20,647.68 : x
2. Step 2: Convert to fraction form
   35,752.56/49,345.71 = 20,647.68/x
3. Step 3: Cross multiply
   35,752.56x = 49,345.71 × 20,647.68
4. Step 4: Simplify right side
   35,752.56x = 1,018,874,429.45
5. Step 5: Solve for x
   x = 1,018,874,429.45/35,752.56
6. Step 6: Final answer
   x = 28,497.94