Finding the Fourth Proportional to 65,793.99, 98,667.69 and 21,412.47

Step by Step Solution

1. Step 1: Write the proportion equation
   65,793.99 : 98,667.69 = 21,412.47 : x
2. Step 2: Convert to fraction form
   65,793.99/98,667.69 = 21,412.47/x
3. Step 3: Cross multiply
   65,793.99x = 98,667.69 × 21,412.47
4. Step 4: Simplify right side
   65,793.99x = 2,112,718,952.09
5. Step 5: Solve for x
   x = 2,112,718,952.09/65,793.99
6. Step 6: Final answer
   x = 32,111.12