Finding the Fourth Proportional to 59.76, 82.49 and 53.61

Step by Step Solution

1. Step 1: Write the proportion equation
   59.76 : 82.49 = 53.61 : x
2. Step 2: Convert to fraction form
   59.76/82.49 = 53.61/x
3. Step 3: Cross multiply
   59.76x = 82.49 × 53.61
4. Step 4: Simplify right side
   59.76x = 4,421.88
5. Step 5: Solve for x
   x = 4,421.88/59.76
6. Step 6: Final answer
   x = 73.99