Finding the Fourth Proportional to 82.19, 123.37 and 59.49

Step by Step Solution

1. Step 1: Write the proportion equation
   82.19 : 123.37 = 59.49 : x
2. Step 2: Convert to fraction form
   82.19/123.37 = 59.49/x
3. Step 3: Cross multiply
   82.19x = 123.37 × 59.49
4. Step 4: Simplify right side
   82.19x = 7,339.13
5. Step 5: Solve for x
   x = 7,339.13/82.19
6. Step 6: Final answer
   x = 89.29