Finding the Fourth Proportional to 65,945.79, 98,896.55 and 21,562.16

Step by Step Solution

1. Step 1: Write the proportion equation
   65,945.79 : 98,896.55 = 21,562.16 : x
2. Step 2: Convert to fraction form
   65,945.79/98,896.55 = 21,562.16/x
3. Step 3: Cross multiply
   65,945.79x = 98,896.55 × 21,562.16
4. Step 4: Simplify right side
   65,945.79x = 2,132,422,632.25
5. Step 5: Solve for x
   x = 2,132,422,632.25/65,945.79
6. Step 6: Final answer
   x = 32,335.99