Finding the Fourth Proportional to 65,677.43, 98,529.99 and 21,300.73

Step by Step Solution

1. Step 1: Write the proportion equation
   65,677.43 : 98,529.99 = 21,300.73 : x
2. Step 2: Convert to fraction form
   65,677.43/98,529.99 = 21,300.73/x
3. Step 3: Cross multiply
   65,677.43x = 98,529.99 × 21,300.73
4. Step 4: Simplify right side
   65,677.43x = 2,098,760,387.69
5. Step 5: Solve for x
   x = 2,098,760,387.69/65,677.43
6. Step 6: Final answer
   x = 31,955.58