Finding the Fourth Proportional to 67.94, 93.76 and 56.24

Step by Step Solution

1. Step 1: Write the proportion equation
   67.94 : 93.76 = 56.24 : x
2. Step 2: Convert to fraction form
   67.94/93.76 = 56.24/x
3. Step 3: Cross multiply
   67.94x = 93.76 × 56.24
4. Step 4: Simplify right side
   67.94x = 5,272.78
5. Step 5: Solve for x
   x = 5,272.78/67.94
6. Step 6: Final answer
   x = 77.61