Finding the Fourth Proportional to 65,806.62, 98,716.83 and 21,436.83

Step by Step Solution

1. Step 1: Write the proportion equation
   65,806.62 : 98,716.83 = 21,436.83 : x
2. Step 2: Convert to fraction form
   65,806.62/98,716.83 = 21,436.83/x
3. Step 3: Cross multiply
   65,806.62x = 98,716.83 × 21,436.83
4. Step 4: Simplify right side
   65,806.62x = 2,116,175,902.85
5. Step 5: Solve for x
   x = 2,116,175,902.85/65,806.62
6. Step 6: Final answer
   x = 32,157.49