Finding the Fourth Proportional to 59.22, 88.71 and 51.15

Step by Step Solution

1. Step 1: Write the proportion equation
   59.22 : 88.71 = 51.15 : x
2. Step 2: Convert to fraction form
   59.22/88.71 = 51.15/x
3. Step 3: Cross multiply
   59.22x = 88.71 × 51.15
4. Step 4: Simplify right side
   59.22x = 4,537.52
5. Step 5: Solve for x
   x = 4,537.52/59.22
6. Step 6: Final answer
   x = 76.62