Finding the Fourth Proportional to 35,902.56, 49,536.72 and 20,998.56

Step by Step Solution

1. Step 1: Write the proportion equation
   35,902.56 : 49,536.72 = 20,998.56 : x
2. Step 2: Convert to fraction form
   35,902.56/49,536.72 = 20,998.56/x
3. Step 3: Cross multiply
   35,902.56x = 49,536.72 × 20,998.56
4. Step 4: Simplify right side
   35,902.56x = 1,040,199,787.12
5. Step 5: Solve for x
   x = 1,040,199,787.12/35,902.56
6. Step 6: Final answer
   x = 28,972.86