Finding the Fourth Proportional to 65,643.33, 98,444.34 and 21,259.83

Step by Step Solution

1. Step 1: Write the proportion equation
   65,643.33 : 98,444.34 = 21,259.83 : x
2. Step 2: Convert to fraction form
   65,643.33/98,444.34 = 21,259.83/x
3. Step 3: Cross multiply
   65,643.33x = 98,444.34 × 21,259.83
4. Step 4: Simplify right side
   65,643.33x = 2,092,909,932.86
5. Step 5: Solve for x
   x = 2,092,909,932.86/65,643.33
6. Step 6: Final answer
   x = 31,883.06