Finding the Fourth Proportional to 67,866.69, 101,343.02 and 55,411.02

Step by Step Solution

1. Step 1: Write the proportion equation
   67,866.69 : 101,343.02 = 55,411.02 : x
2. Step 2: Convert to fraction form
   67,866.69/101,343.02 = 55,411.02/x
3. Step 3: Cross multiply
   67,866.69x = 101,343.02 × 55,411.02
4. Step 4: Simplify right side
   67,866.69x = 5,615,519,831.03
5. Step 5: Solve for x
   x = 5,615,519,831.03/67,866.69
6. Step 6: Final answer
   x = 82,743.38