Finding the Fourth Proportional to 67,867.69, 101,344.51 and 55,412.02

Step by Step Solution

1. Step 1: Write the proportion equation
   67,867.69 : 101,344.51 = 55,412.02 : x
2. Step 2: Convert to fraction form
   67,867.69/101,344.51 = 55,412.02/x
3. Step 3: Cross multiply
   67,867.69x = 101,344.51 × 55,412.02
4. Step 4: Simplify right side
   67,867.69x = 5,615,704,015.01
5. Step 5: Solve for x
   x = 5,615,704,015.01/67,867.69
6. Step 6: Final answer
   x = 82,744.88