Finding the Fourth Proportional to 67.26, 100.69 and 56.37

Step by Step Solution

1. Step 1: Write the proportion equation
   67.26 : 100.69 = 56.37 : x
2. Step 2: Convert to fraction form
   67.26/100.69 = 56.37/x
3. Step 3: Cross multiply
   67.26x = 100.69 × 56.37
4. Step 4: Simplify right side
   67.26x = 5,675.75
5. Step 5: Solve for x
   x = 5,675.75/67.26
6. Step 6: Final answer
   x = 84.39