Finding the Fourth Proportional to 35,857.37, 49,491.50 and 20,758.86

Step by Step Solution

1. Step 1: Write the proportion equation
   35,857.37 : 49,491.50 = 20,758.86 : x
2. Step 2: Convert to fraction form
   35,857.37/49,491.50 = 20,758.86/x
3. Step 3: Cross multiply
   35,857.37x = 49,491.50 × 20,758.86
4. Step 4: Simplify right side
   35,857.37x = 1,027,387,015.90
5. Step 5: Solve for x
   x = 1,027,387,015.90/35,857.37
6. Step 6: Final answer
   x = 28,652.05