Finding the Fourth Proportional to 82.39, 123.35 and 62.18

Step by Step Solution

1. Step 1: Write the proportion equation
   82.39 : 123.35 = 62.18 : x
2. Step 2: Convert to fraction form
   82.39/123.35 = 62.18/x
3. Step 3: Cross multiply
   82.39x = 123.35 × 62.18
4. Step 4: Simplify right side
   82.39x = 7,669.59
5. Step 5: Solve for x
   x = 7,669.59/82.39
6. Step 6: Final answer
   x = 93.09