Finding the Fourth Proportional to 35,590, 49,118.52 and 20,686

Step by Step Solution

1. Step 1: Write the proportion equation
   35,590 : 49,118.52 = 20,686 : x
2. Step 2: Convert to fraction form
   35,590/49,118.52 = 20,686/x
3. Step 3: Cross multiply
   35,590x = 49,118.52 × 20,686
4. Step 4: Simplify right side
   35,590x = 1,016,065,704.72
5. Step 5: Solve for x
   x = 1,016,065,704.72/35,590
6. Step 6: Final answer
   x = 28,549.19