Finding the Fourth Proportional to 6.94, 10.42 and 3.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6.94 : 10.42 = 3.56 : x
2. Step 2: Convert to fraction form
   6.94/10.42 = 3.56/x
3. Step 3: Cross multiply
   6.94x = 10.42 × 3.56
4. Step 4: Simplify right side
   6.94x = 37.10
5. Step 5: Solve for x
   x = 37.10/6.94
6. Step 6: Final answer
   x = 5.35