Finding the Fourth Proportional to 59.59, 82.18 and 42.99

Step by Step Solution

1. Step 1: Write the proportion equation
   59.59 : 82.18 = 42.99 : x
2. Step 2: Convert to fraction form
   59.59/82.18 = 42.99/x
3. Step 3: Cross multiply
   59.59x = 82.18 × 42.99
4. Step 4: Simplify right side
   59.59x = 3,532.92
5. Step 5: Solve for x
   x = 3,532.92/59.59
6. Step 6: Final answer
   x = 59.29