Finding the Fourth Proportional to 67.97, 93.69 and 56.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67.97 : 93.69 = 56.30 : x
2. Step 2: Convert to fraction form
   67.97/93.69 = 56.30/x
3. Step 3: Cross multiply
   67.97x = 93.69 × 56.30
4. Step 4: Simplify right side
   67.97x = 5,274.28
5. Step 5: Solve for x
   x = 5,274.28/67.97
6. Step 6: Final answer
   x = 77.59