Finding the Fourth Proportional to 65,839.72, 98,762.78 and 21,466.41

Step by Step Solution

1. Step 1: Write the proportion equation
   65,839.72 : 98,762.78 = 21,466.41 : x
2. Step 2: Convert to fraction form
   65,839.72/98,762.78 = 21,466.41/x
3. Step 3: Cross multiply
   65,839.72x = 98,762.78 × 21,466.41
4. Step 4: Simplify right side
   65,839.72x = 2,120,082,328.22
5. Step 5: Solve for x
   x = 2,120,082,328.22/65,839.72
6. Step 6: Final answer
   x = 32,200.66