Finding the Fourth Proportional to 82.49, 123.78 and 62.14

Step by Step Solution

1. Step 1: Write the proportion equation
   82.49 : 123.78 = 62.14 : x
2. Step 2: Convert to fraction form
   82.49/123.78 = 62.14/x
3. Step 3: Cross multiply
   82.49x = 123.78 × 62.14
4. Step 4: Simplify right side
   82.49x = 7,691.69
5. Step 5: Solve for x
   x = 7,691.69/82.49
6. Step 6: Final answer
   x = 93.24