Finding the Fourth Proportional to 59.32, 88.80 and 42.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59.32 : 88.80 = 42.12 : x
2. Step 2: Convert to fraction form
   59.32/88.80 = 42.12/x
3. Step 3: Cross multiply
   59.32x = 88.80 × 42.12
4. Step 4: Simplify right side
   59.32x = 3,740.26
5. Step 5: Solve for x
   x = 3,740.26/59.32
6. Step 6: Final answer
   x = 63.05