Finding the Fourth Proportional to 65,215.72, 97,834.56 and 20,226.70

Step by Step Solution

1. Step 1: Write the proportion equation
   65,215.72 : 97,834.56 = 20,226.70 : x
2. Step 2: Convert to fraction form
   65,215.72/97,834.56 = 20,226.70/x
3. Step 3: Cross multiply
   65,215.72x = 97,834.56 × 20,226.70
4. Step 4: Simplify right side
   65,215.72x = 1,978,870,294.75
5. Step 5: Solve for x
   x = 1,978,870,294.75/65,215.72
6. Step 6: Final answer
   x = 30,343.46