Finding the Fourth Proportional to 67,943.55, 101,457.81 and 55,488.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,943.55 : 101,457.81 = 55,488.30 : x
2. Step 2: Convert to fraction form
   67,943.55/101,457.81 = 55,488.30/x
3. Step 3: Cross multiply
   67,943.55x = 101,457.81 × 55,488.30
4. Step 4: Simplify right side
   67,943.55x = 5,629,721,398.62
5. Step 5: Solve for x
   x = 5,629,721,398.62/67,943.55
6. Step 6: Final answer
   x = 82,858.81