Finding the Fourth Proportional to 67,554.81, 101,333.43 and 20,808.09

Step by Step Solution

1. Step 1: Write the proportion equation
   67,554.81 : 101,333.43 = 20,808.09 : x
2. Step 2: Convert to fraction form
   67,554.81/101,333.43 = 20,808.09/x
3. Step 3: Cross multiply
   67,554.81x = 101,333.43 × 20,808.09
4. Step 4: Simplify right side
   67,554.81x = 2,108,555,131.45
5. Step 5: Solve for x
   x = 2,108,555,131.45/67,554.81
6. Step 6: Final answer
   x = 31,212.51