Finding the Fourth Proportional to 59.17, 88.79 and 43.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59.17 : 88.79 = 43.50 : x
2. Step 2: Convert to fraction form
   59.17/88.79 = 43.50/x
3. Step 3: Cross multiply
   59.17x = 88.79 × 43.50
4. Step 4: Simplify right side
   59.17x = 3,862.60
5. Step 5: Solve for x
   x = 3,862.60/59.17
6. Step 6: Final answer
   x = 65.28