Finding the Fourth Proportional to 59.88, 89.58 and 34.21

Step by Step Solution

1. Step 1: Write the proportion equation
   59.88 : 89.58 = 34.21 : x
2. Step 2: Convert to fraction form
   59.88/89.58 = 34.21/x
3. Step 3: Cross multiply
   59.88x = 89.58 × 34.21
4. Step 4: Simplify right side
   59.88x = 3,064.53
5. Step 5: Solve for x
   x = 3,064.53/59.88
6. Step 6: Final answer
   x = 51.18