Finding the Fourth Proportional to 46.55, 69.77 and 42.05

Step by Step Solution

1. Step 1: Write the proportion equation
   46.55 : 69.77 = 42.05 : x
2. Step 2: Convert to fraction form
   46.55/69.77 = 42.05/x
3. Step 3: Cross multiply
   46.55x = 69.77 × 42.05
4. Step 4: Simplify right side
   46.55x = 2,933.27
5. Step 5: Solve for x
   x = 2,933.27/46.55
6. Step 6: Final answer
   x = 63.02