Finding the Fourth Proportional to 65,839.50, 98,760.42 and 21,466.08

Step by Step Solution

1. Step 1: Write the proportion equation
   65,839.50 : 98,760.42 = 21,466.08 : x
2. Step 2: Convert to fraction form
   65,839.50/98,760.42 = 21,466.08/x
3. Step 3: Cross multiply
   65,839.50x = 98,760.42 × 21,466.08
4. Step 4: Simplify right side
   65,839.50x = 2,119,999,076.55
5. Step 5: Solve for x
   x = 2,119,999,076.55/65,839.50
6. Step 6: Final answer
   x = 32,199.50