Finding the Fourth Proportional to 82.05, 123.09 and 59.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82.05 : 123.09 = 59.16 : x
2. Step 2: Convert to fraction form
   82.05/123.09 = 59.16/x
3. Step 3: Cross multiply
   82.05x = 123.09 × 59.16
4. Step 4: Simplify right side
   82.05x = 7,282.00
5. Step 5: Solve for x
   x = 7,282.00/82.05
6. Step 6: Final answer
   x = 88.75