Finding the Fourth Proportional to 82.84, 124.15 and 37.18

Step by Step Solution

1. Step 1: Write the proportion equation
   82.84 : 124.15 = 37.18 : x
2. Step 2: Convert to fraction form
   82.84/124.15 = 37.18/x
3. Step 3: Cross multiply
   82.84x = 124.15 × 37.18
4. Step 4: Simplify right side
   82.84x = 4,615.90
5. Step 5: Solve for x
   x = 4,615.90/82.84
6. Step 6: Final answer
   x = 55.72