Finding the Fourth Proportional to 62.94, 86.82 and 42.24

Step by Step Solution

1. Step 1: Write the proportion equation
   62.94 : 86.82 = 42.24 : x
2. Step 2: Convert to fraction form
   62.94/86.82 = 42.24/x
3. Step 3: Cross multiply
   62.94x = 86.82 × 42.24
4. Step 4: Simplify right side
   62.94x = 3,667.28
5. Step 5: Solve for x
   x = 3,667.28/62.94
6. Step 6: Final answer
   x = 58.27