Finding the Fourth Proportional to 10.55, 15.82 and 3.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10.55 : 15.82 = 3.79 : x
2. Step 2: Convert to fraction form
   10.55/15.82 = 3.79/x
3. Step 3: Cross multiply
   10.55x = 15.82 × 3.79
4. Step 4: Simplify right side
   10.55x = 59.96
5. Step 5: Solve for x
   x = 59.96/10.55
6. Step 6: Final answer
   x = 5.69