Finding the Fourth Proportional to 59.16, 88.82 and 42.96

Step by Step Solution

1. Step 1: Write the proportion equation
   59.16 : 88.82 = 42.96 : x
2. Step 2: Convert to fraction form
   59.16/88.82 = 42.96/x
3. Step 3: Cross multiply
   59.16x = 88.82 × 42.96
4. Step 4: Simplify right side
   59.16x = 3,815.71
5. Step 5: Solve for x
   x = 3,815.71/59.16
6. Step 6: Final answer
   x = 64.50