Finding the Fourth Proportional to 42.62, 58.88 and 42.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42.62 : 58.88 = 42.32 : x
2. Step 2: Convert to fraction form
   42.62/58.88 = 42.32/x
3. Step 3: Cross multiply
   42.62x = 58.88 × 42.32
4. Step 4: Simplify right side
   42.62x = 2,491.30
5. Step 5: Solve for x
   x = 2,491.30/42.62
6. Step 6: Final answer
   x = 58.45