Finding the Fourth Proportional to 67,939.05, 101,451.09 and 55,483.80

Step by Step Solution

1. Step 1: Write the proportion equation
   67,939.05 : 101,451.09 = 55,483.80 : x
2. Step 2: Convert to fraction form
   67,939.05/101,451.09 = 55,483.80/x
3. Step 3: Cross multiply
   67,939.05x = 101,451.09 × 55,483.80
4. Step 4: Simplify right side
   67,939.05x = 5,628,891,987.34
5. Step 5: Solve for x
   x = 5,628,891,987.34/67,939.05
6. Step 6: Final answer
   x = 82,852.09