Finding the Fourth Proportional to 82.86, 124.18 and 62.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82.86 : 124.18 = 62.48 : x
2. Step 2: Convert to fraction form
   82.86/124.18 = 62.48/x
3. Step 3: Cross multiply
   82.86x = 124.18 × 62.48
4. Step 4: Simplify right side
   82.86x = 7,758.77
5. Step 5: Solve for x
   x = 7,758.77/82.86
6. Step 6: Final answer
   x = 93.64