Finding the Fourth Proportional to 65,983.55, 98,993.75 and 21,641.49

Step by Step Solution

1. Step 1: Write the proportion equation
   65,983.55 : 98,993.75 = 21,641.49 : x
2. Step 2: Convert to fraction form
   65,983.55/98,993.75 = 21,641.49/x
3. Step 3: Cross multiply
   65,983.55x = 98,993.75 × 21,641.49
4. Step 4: Simplify right side
   65,983.55x = 2,142,372,142.48
5. Step 5: Solve for x
   x = 2,142,372,142.48/65,983.55
6. Step 6: Final answer
   x = 32,468.28