Finding the Fourth Proportional to 35,590.54, 49,111.68 and 20,479.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,590.54 : 49,111.68 = 20,479.18 : x
2. Step 2: Convert to fraction form
   35,590.54/49,111.68 = 20,479.18/x
3. Step 3: Cross multiply
   35,590.54x = 49,111.68 × 20,479.18
4. Step 4: Simplify right side
   35,590.54x = 1,005,766,934.82
5. Step 5: Solve for x
   x = 1,005,766,934.82/35,590.54
6. Step 6: Final answer
   x = 28,259.39