Finding the Fourth Proportional to 35,919.30, 49,566.71 and 20,605.08

Step by Step Solution

1. Step 1: Write the proportion equation
   35,919.30 : 49,566.71 = 20,605.08 : x
2. Step 2: Convert to fraction form
   35,919.30/49,566.71 = 20,605.08/x
3. Step 3: Cross multiply
   35,919.30x = 49,566.71 × 20,605.08
4. Step 4: Simplify right side
   35,919.30x = 1,021,325,921.86
5. Step 5: Solve for x
   x = 1,021,325,921.86/35,919.30
6. Step 6: Final answer
   x = 28,433.90